18490160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 48371904

約数和(自身を除く): 29881744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 773, 920, 1040, 1196, 1495, 1546, 1840, 2392, 2990, 3092, 3865, 4784, 5980, 6184, 7730, 10049, 11960, 12368, 15460, 17779, 20098, 23920, 30920, 35558, 40196, 50245, 61840, 71116, 80392, 88895, 100490, 142232, 160784, 177790, 200980, 231127, 284464, 355580, 401960, 462254, 711160, 803920, 924508, 1155635, 1422320, 1849016, 2311270, 3698032, 4622540, 9245080, 18490160]

約数ペア:

[(1, 18490160), (2, 9245080), (4, 4622540), (5, 3698032), (8, 2311270), (10, 1849016), (13, 1422320), (16, 1155635), (20, 924508), (23, 803920), (26, 711160), (40, 462254), (46, 401960), (52, 355580), (65, 284464), (80, 231127), (92, 200980), (104, 177790), (115, 160784), (130, 142232), (184, 100490), (208, 88895), (230, 80392), (260, 71116), (299, 61840), (368, 50245), (460, 40196), (520, 35558), (598, 30920), (773, 23920), (920, 20098), (1040, 17779), (1196, 15460), (1495, 12368), (1546, 11960), (1840, 10049), (2392, 7730), (2990, 6184), (3092, 5980), (3865, 4784)]