18067720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3733}}^1$

素因数の和:3766

約数の個数: 48

約数和(自身を含む): 44695980

約数和(自身を除く): 26628260

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, 3733, 4840, 7466, 14932, 18665, 29864, 37330, 41063, 74660, 82126, 149320, 164252, 205315, 328504, 410630, 451693, 821260, 903386, 1642520, 1806772, 2258465, 3613544, 4516930, 9033860, 18067720]

約数ペア:

[(1, 18067720), (2, 9033860), (4, 4516930), (5, 3613544), (8, 2258465), (10, 1806772), (11, 1642520), (20, 903386), (22, 821260), (40, 451693), (44, 410630), (55, 328504), (88, 205315), (110, 164252), (121, 149320), (220, 82126), (242, 74660), (440, 41063), (484, 37330), (605, 29864), (968, 18665), (1210, 14932), (2420, 7466), (3733, 4840)]