18009278

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{21803}}^1$

素因数の和:21871

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 13388482

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 21803, 43606, 152621, 305242, 1286377, 2572754, 9004639, 18009278]

約数ペア:

[(1, 18009278), (2, 9004639), (7, 2572754), (14, 1286377), (59, 305242), (118, 152621), (413, 43606), (826, 21803)]