18555012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2585

約数の個数: 72

約数和(自身を含む): 55473600

約数和(自身を除く): 36918588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2539, 3654, 5078, 7308, 7617, 10156, 15234, 17773, 22851, 30468, 35546, 45702, 53319, 71092, 73631, 91404, 106638, 147262, 159957, 213276, 220893, 294524, 319914, 441786, 515417, 639828, 662679, 883572, 1030834, 1325358, 1546251, 2061668, 2650716, 3092502, 4638753, 6185004, 9277506, 18555012]

約数ペア:

[(1, 18555012), (2, 9277506), (3, 6185004), (4, 4638753), (6, 3092502), (7, 2650716), (9, 2061668), (12, 1546251), (14, 1325358), (18, 1030834), (21, 883572), (28, 662679), (29, 639828), (36, 515417), (42, 441786), (58, 319914), (63, 294524), (84, 220893), (87, 213276), (116, 159957), (126, 147262), (174, 106638), (203, 91404), (252, 73631), (261, 71092), (348, 53319), (406, 45702), (522, 35546), (609, 30468), (812, 22851), (1044, 17773), (1218, 15234), (1827, 10156), (2436, 7617), (2539, 7308), (3654, 5078)]