18554554

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2325

約数の個数: 16

約数和(自身を含む): 28949760

約数和(自身を除く): 10395206

約数列:

[1, 2, 31, 62, 139, 278, 2153, 4306, 4309, 8618, 66743, 133486, 299267, 598534, 9277277, 18554554]

約数ペア:

[(1, 18554554), (2, 9277277), (31, 598534), (62, 299267), (139, 133486), (278, 66743), (2153, 8618), (4306, 4309)]