18990808

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{18121}}^1$

素因数の和:18258

約数の個数: 16

約数和(自身を含む): 35881560

約数和(自身を除く): 16890752

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 18121, 36242, 72484, 144968, 2373851, 4747702, 9495404, 18990808]

約数ペア:

[(1, 18990808), (2, 9495404), (4, 4747702), (8, 2373851), (131, 144968), (262, 72484), (524, 36242), (1048, 18121)]