18715798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4603}}^1$

素因数の和:4731

約数の個数: 16

約数和(自身を含む): 29833920

約数和(自身を除く): 11118122

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4603, 9206, 87457, 174914, 492521, 985042, 9357899, 18715798]

約数ペア:

[(1, 18715798), (2, 9357899), (19, 985042), (38, 492521), (107, 174914), (214, 87457), (2033, 9206), (4066, 4603)]