18586436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{659}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 35592480

約数和(自身を除く): 17006044

約数列:

[1, 2, 4, 11, 22, 44, 641, 659, 1282, 1318, 2564, 2636, 7051, 7249, 14102, 14498, 28204, 28996, 422419, 844838, 1689676, 4646609, 9293218, 18586436]

約数ペア:

[(1, 18586436), (2, 9293218), (4, 4646609), (11, 1689676), (22, 844838), (44, 422419), (641, 28996), (659, 28204), (1282, 14498), (1318, 14102), (2564, 7249), (2636, 7051)]