19423800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 74269800

約数和(自身を除く): 54846000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 50, 54, 55, 60, 66, 72, 75, 81, 88, 90, 99, 100, 108, 109, 110, 120, 132, 135, 150, 162, 165, 180, 198, 200, 216, 218, 220, 225, 264, 270, 275, 297, 300, 324, 327, 330, 360, 396, 405, 436, 440, 450, 495, 540, 545, 550, 594, 600, 648, 654, 660, 675, 792, 810, 825, 872, 891, 900, 981, 990, 1080, 1090, 1100, 1188, 1199, 1308, 1320, 1350, 1485, 1620, 1635, 1650, 1782, 1800, 1962, 1980, 2025, 2180, 2200, 2376, 2398, 2475, 2616, 2700, 2725, 2943, 2970, 3240, 3270, 3300, 3564, 3597, 3924, 3960, 4050, 4360, 4455, 4796, 4905, 4950, 5400, 5450, 5886, 5940, 5995, 6540, 6600, 7128, 7194, 7425, 7848, 8100, 8175, 8829, 8910, 9592, 9810, 9900, 10791, 10900, 11772, 11880, 11990, 13080, 14388, 14715, 14850, 16200, 16350, 17658, 17820, 17985, 19620, 19800, 21582, 21800, 22275, 23544, 23980, 24525, 28776, 29430, 29700, 29975, 32373, 32700, 35316, 35640, 35970, 39240, 43164, 44145, 44550, 47960, 49050, 53955, 58860, 59400, 59950, 64746, 65400, 70632, 71940, 73575, 86328, 88290, 89100, 89925, 97119, 98100, 107910, 117720, 119900, 129492, 143880, 147150, 161865, 176580, 178200, 179850, 194238, 196200, 215820, 220725, 239800, 258984, 269775, 294300, 323730, 353160, 359700, 388476, 431640, 441450, 485595, 539550, 588600, 647460, 719400, 776952, 809325, 882900, 971190, 1079100, 1294920, 1618650, 1765800, 1942380, 2158200, 2427975, 3237300, 3884760, 4855950, 6474600, 9711900, 19423800]

約数ペア:

[(1, 19423800), (2, 9711900), (3, 6474600), (4, 4855950), (5, 3884760), (6, 3237300), (8, 2427975), (9, 2158200), (10, 1942380), (11, 1765800), (12, 1618650), (15, 1294920), (18, 1079100), (20, 971190), (22, 882900), (24, 809325), (25, 776952), (27, 719400), (30, 647460), (33, 588600), (36, 539550), (40, 485595), (44, 441450), (45, 431640), (50, 388476), (54, 359700), (55, 353160), (60, 323730), (66, 294300), (72, 269775), (75, 258984), (81, 239800), (88, 220725), (90, 215820), (99, 196200), (100, 194238), (108, 179850), (109, 178200), (110, 176580), (120, 161865), (132, 147150), (135, 143880), (150, 129492), (162, 119900), (165, 117720), (180, 107910), (198, 98100), (200, 97119), (216, 89925), (218, 89100), (220, 88290), (225, 86328), (264, 73575), (270, 71940), (275, 70632), (297, 65400), (300, 64746), (324, 59950), (327, 59400), (330, 58860), (360, 53955), (396, 49050), (405, 47960), (436, 44550), (440, 44145), (450, 43164), (495, 39240), (540, 35970), (545, 35640), (550, 35316), (594, 32700), (600, 32373), (648, 29975), (654, 29700), (660, 29430), (675, 28776), (792, 24525), (810, 23980), (825, 23544), (872, 22275), (891, 21800), (900, 21582), (981, 19800), (990, 19620), (1080, 17985), (1090, 17820), (1100, 17658), (1188, 16350), (1199, 16200), (1308, 14850), (1320, 14715), (1350, 14388), (1485, 13080), (1620, 11990), (1635, 11880), (1650, 11772), (1782, 10900), (1800, 10791), (1962, 9900), (1980, 9810), (2025, 9592), (2180, 8910), (2200, 8829), (2376, 8175), (2398, 8100), (2475, 7848), (2616, 7425), (2700, 7194), (2725, 7128), (2943, 6600), (2970, 6540), (3240, 5995), (3270, 5940), (3300, 5886), (3564, 5450), (3597, 5400), (3924, 4950), (3960, 4905), (4050, 4796), (4360, 4455)]