8419660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22157}}^1$

素因数の和:22185

約数の個数: 24

約数和(自身を含む): 18612720

約数和(自身を除く): 10193060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22157, 44314, 88628, 110785, 221570, 420983, 443140, 841966, 1683932, 2104915, 4209830, 8419660]

約数ペア:

[(1, 8419660), (2, 4209830), (4, 2104915), (5, 1683932), (10, 841966), (19, 443140), (20, 420983), (38, 221570), (76, 110785), (95, 88628), (190, 44314), (380, 22157)]