18327140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70489}}^1$

素因数の和:70511

約数の個数: 24

約数和(自身を含む): 41448120

約数和(自身を除く): 23120980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70489, 140978, 281956, 352445, 704890, 916357, 1409780, 1832714, 3665428, 4581785, 9163570, 18327140]

約数ペア:

[(1, 18327140), (2, 9163570), (4, 4581785), (5, 3665428), (10, 1832714), (13, 1409780), (20, 916357), (26, 704890), (52, 352445), (65, 281956), (130, 140978), (260, 70489)]