18588460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4486

約数の個数: 48

約数和(自身を含む): 44835840

約数和(自身を除く): 26247380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4447, 8894, 17788, 22235, 44470, 48917, 84493, 88940, 97834, 168986, 195668, 244585, 337972, 422465, 489170, 844930, 929423, 978340, 1689860, 1858846, 3717692, 4647115, 9294230, 18588460]

約数ペア:

[(1, 18588460), (2, 9294230), (4, 4647115), (5, 3717692), (10, 1858846), (11, 1689860), (19, 978340), (20, 929423), (22, 844930), (38, 489170), (44, 422465), (55, 337972), (76, 244585), (95, 195668), (110, 168986), (190, 97834), (209, 88940), (220, 84493), (380, 48917), (418, 44470), (836, 22235), (1045, 17788), (2090, 8894), (4180, 4447)]