19653480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:744

約数の個数: 192

約数和(自身を含む): 79747200

約数和(自身を除く): 60093720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 709, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1418, 1540, 1848, 1980, 2127, 2310, 2520, 2772, 2836, 3080, 3465, 3545, 3960, 4254, 4620, 4963, 5544, 5672, 6381, 6930, 7090, 7799, 8508, 9240, 9926, 10635, 12762, 13860, 14180, 14889, 15598, 17016, 19852, 21270, 23397, 24815, 25524, 27720, 28360, 29778, 31196, 31905, 38995, 39704, 42540, 44667, 46794, 49630, 51048, 54593, 59556, 62392, 63810, 70191, 74445, 77990, 85080, 89334, 93588, 99260, 109186, 116985, 119112, 127620, 140382, 148890, 155980, 163779, 178668, 187176, 198520, 218372, 223335, 233970, 255240, 272965, 280764, 297780, 311960, 327558, 350955, 357336, 436744, 446670, 467940, 491337, 545930, 561528, 595560, 655116, 701910, 818895, 893340, 935880, 982674, 1091860, 1310232, 1403820, 1637790, 1786680, 1965348, 2183720, 2456685, 2807640, 3275580, 3930696, 4913370, 6551160, 9826740, 19653480]

約数ペア:

[(1, 19653480), (2, 9826740), (3, 6551160), (4, 4913370), (5, 3930696), (6, 3275580), (7, 2807640), (8, 2456685), (9, 2183720), (10, 1965348), (11, 1786680), (12, 1637790), (14, 1403820), (15, 1310232), (18, 1091860), (20, 982674), (21, 935880), (22, 893340), (24, 818895), (28, 701910), (30, 655116), (33, 595560), (35, 561528), (36, 545930), (40, 491337), (42, 467940), (44, 446670), (45, 436744), (55, 357336), (56, 350955), (60, 327558), (63, 311960), (66, 297780), (70, 280764), (72, 272965), (77, 255240), (84, 233970), (88, 223335), (90, 218372), (99, 198520), (105, 187176), (110, 178668), (120, 163779), (126, 155980), (132, 148890), (140, 140382), (154, 127620), (165, 119112), (168, 116985), (180, 109186), (198, 99260), (210, 93588), (220, 89334), (231, 85080), (252, 77990), (264, 74445), (280, 70191), (308, 63810), (315, 62392), (330, 59556), (360, 54593), (385, 51048), (396, 49630), (420, 46794), (440, 44667), (462, 42540), (495, 39704), (504, 38995), (616, 31905), (630, 31196), (660, 29778), (693, 28360), (709, 27720), (770, 25524), (792, 24815), (840, 23397), (924, 21270), (990, 19852), (1155, 17016), (1260, 15598), (1320, 14889), (1386, 14180), (1418, 13860), (1540, 12762), (1848, 10635), (1980, 9926), (2127, 9240), (2310, 8508), (2520, 7799), (2772, 7090), (2836, 6930), (3080, 6381), (3465, 5672), (3545, 5544), (3960, 4963), (4254, 4620)]