11815870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 23379840

約数和(自身を除く): 11563970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 659, 815, 1318, 1630, 1793, 3295, 3586, 6590, 7249, 8965, 14498, 17930, 36245, 72490, 107417, 214834, 537085, 1074170, 1181587, 2363174, 5907935, 11815870]

約数ペア:

[(1, 11815870), (2, 5907935), (5, 2363174), (10, 1181587), (11, 1074170), (22, 537085), (55, 214834), (110, 107417), (163, 72490), (326, 36245), (659, 17930), (815, 14498), (1318, 8965), (1630, 7249), (1793, 6590), (3295, 3586)]