18557708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2137}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 35200032

約数和(自身を除く): 16642324

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2137, 2171, 4274, 4342, 8548, 8684, 27781, 55562, 111124, 356879, 713758, 1427516, 4639427, 9278854, 18557708]

約数ペア:

[(1, 18557708), (2, 9278854), (4, 4639427), (13, 1427516), (26, 713758), (52, 356879), (167, 111124), (334, 55562), (668, 27781), (2137, 8684), (2171, 8548), (4274, 4342)]