18241960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3769}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 45126900

約数和(自身を除く): 26884940

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3769, 4840, 7538, 15076, 18845, 30152, 37690, 41459, 75380, 82918, 150760, 165836, 207295, 331672, 414590, 456049, 829180, 912098, 1658360, 1824196, 2280245, 3648392, 4560490, 9120980, 18241960]

約数ペア:

[(1, 18241960), (2, 9120980), (4, 4560490), (5, 3648392), (8, 2280245), (10, 1824196), (11, 1658360), (20, 912098), (22, 829180), (40, 456049), (44, 414590), (55, 331672), (88, 207295), (110, 165836), (121, 150760), (220, 82918), (242, 75380), (440, 41459), (484, 37690), (605, 30152), (968, 18845), (1210, 15076), (2420, 7538), (3769, 4840)]