18153850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2575

約数の個数: 48

約数和(自身を含む): 39684960

約数和(自身を除く): 21531110

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2539, 3575, 5078, 7150, 12695, 25390, 27929, 33007, 55858, 63475, 66014, 126950, 139645, 165035, 279290, 330070, 363077, 698225, 726154, 825175, 1396450, 1650350, 1815385, 3630770, 9076925, 18153850]

約数ペア:

[(1, 18153850), (2, 9076925), (5, 3630770), (10, 1815385), (11, 1650350), (13, 1396450), (22, 825175), (25, 726154), (26, 698225), (50, 363077), (55, 330070), (65, 279290), (110, 165035), (130, 139645), (143, 126950), (275, 66014), (286, 63475), (325, 55858), (550, 33007), (650, 27929), (715, 25390), (1430, 12695), (2539, 7150), (3575, 5078)]