19943550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 64281600

約数和(自身を除く): 44338050

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 27, 30, 33, 34, 45, 50, 51, 54, 55, 66, 75, 79, 85, 90, 99, 102, 110, 135, 150, 153, 158, 165, 170, 187, 198, 225, 237, 255, 270, 275, 297, 306, 330, 374, 395, 425, 450, 459, 474, 495, 510, 550, 561, 594, 675, 711, 765, 790, 825, 850, 869, 918, 935, 990, 1122, 1185, 1275, 1343, 1350, 1422, 1485, 1530, 1650, 1683, 1738, 1870, 1975, 2133, 2295, 2370, 2475, 2550, 2607, 2686, 2805, 2970, 3366, 3555, 3825, 3950, 4029, 4266, 4345, 4590, 4675, 4950, 5049, 5214, 5610, 5925, 6715, 7110, 7425, 7650, 7821, 8058, 8415, 8690, 9350, 10098, 10665, 11475, 11850, 12087, 13035, 13430, 14025, 14773, 14850, 15642, 16830, 17775, 20145, 21330, 21725, 22950, 23463, 24174, 25245, 26070, 28050, 29546, 33575, 35550, 36261, 39105, 40290, 42075, 43450, 44319, 46926, 50490, 53325, 60435, 65175, 67150, 72522, 73865, 78210, 84150, 88638, 100725, 106650, 117315, 120870, 126225, 130350, 132957, 147730, 181305, 195525, 201450, 221595, 234630, 252450, 265914, 302175, 362610, 369325, 391050, 398871, 443190, 586575, 604350, 664785, 738650, 797742, 906525, 1107975, 1173150, 1329570, 1813050, 1994355, 2215950, 3323925, 3988710, 6647850, 9971775, 19943550]

約数ペア:

[(1, 19943550), (2, 9971775), (3, 6647850), (5, 3988710), (6, 3323925), (9, 2215950), (10, 1994355), (11, 1813050), (15, 1329570), (17, 1173150), (18, 1107975), (22, 906525), (25, 797742), (27, 738650), (30, 664785), (33, 604350), (34, 586575), (45, 443190), (50, 398871), (51, 391050), (54, 369325), (55, 362610), (66, 302175), (75, 265914), (79, 252450), (85, 234630), (90, 221595), (99, 201450), (102, 195525), (110, 181305), (135, 147730), (150, 132957), (153, 130350), (158, 126225), (165, 120870), (170, 117315), (187, 106650), (198, 100725), (225, 88638), (237, 84150), (255, 78210), (270, 73865), (275, 72522), (297, 67150), (306, 65175), (330, 60435), (374, 53325), (395, 50490), (425, 46926), (450, 44319), (459, 43450), (474, 42075), (495, 40290), (510, 39105), (550, 36261), (561, 35550), (594, 33575), (675, 29546), (711, 28050), (765, 26070), (790, 25245), (825, 24174), (850, 23463), (869, 22950), (918, 21725), (935, 21330), (990, 20145), (1122, 17775), (1185, 16830), (1275, 15642), (1343, 14850), (1350, 14773), (1422, 14025), (1485, 13430), (1530, 13035), (1650, 12087), (1683, 11850), (1738, 11475), (1870, 10665), (1975, 10098), (2133, 9350), (2295, 8690), (2370, 8415), (2475, 8058), (2550, 7821), (2607, 7650), (2686, 7425), (2805, 7110), (2970, 6715), (3366, 5925), (3555, 5610), (3825, 5214), (3950, 5049), (4029, 4950), (4266, 4675), (4345, 4590)]