19906524

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2995

約数の個数: 72

約数和(自身を含む): 58142448

約数和(自身を除く): 38235924

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 2957, 3366, 5914, 6732, 8871, 11828, 17742, 26613, 32527, 35484, 50269, 53226, 65054, 97581, 100538, 106452, 130108, 150807, 195162, 201076, 292743, 301614, 390324, 452421, 552959, 585486, 603228, 904842, 1105918, 1170972, 1658877, 1809684, 2211836, 3317754, 4976631, 6635508, 9953262, 19906524]

約数ペア:

[(1, 19906524), (2, 9953262), (3, 6635508), (4, 4976631), (6, 3317754), (9, 2211836), (11, 1809684), (12, 1658877), (17, 1170972), (18, 1105918), (22, 904842), (33, 603228), (34, 585486), (36, 552959), (44, 452421), (51, 390324), (66, 301614), (68, 292743), (99, 201076), (102, 195162), (132, 150807), (153, 130108), (187, 106452), (198, 100538), (204, 97581), (306, 65054), (374, 53226), (396, 50269), (561, 35484), (612, 32527), (748, 26613), (1122, 17742), (1683, 11828), (2244, 8871), (2957, 6732), (3366, 5914)]