17973986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2377

約数の個数: 16

約数和(自身を含む): 28055808

約数和(自身を除く): 10081822

約数列:

[1, 2, 31, 62, 131, 262, 2213, 4061, 4426, 8122, 68603, 137206, 289903, 579806, 8986993, 17973986]

約数ペア:

[(1, 17973986), (2, 8986993), (31, 579806), (62, 289903), (131, 137206), (262, 68603), (2213, 8122), (4061, 4426)]