15843740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6547}}^1$

素因数の和:6578

約数の個数: 36

約数和(自身を含む): 36577128

約数和(自身を除く): 20733388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6547, 13094, 26188, 32735, 65470, 72017, 130940, 144034, 288068, 360085, 720170, 792187, 1440340, 1584374, 3168748, 3960935, 7921870, 15843740]

約数ペア:

[(1, 15843740), (2, 7921870), (4, 3960935), (5, 3168748), (10, 1584374), (11, 1440340), (20, 792187), (22, 720170), (44, 360085), (55, 288068), (110, 144034), (121, 130940), (220, 72017), (242, 65470), (484, 32735), (605, 26188), (1210, 13094), (2420, 6547)]