18400304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88463}}^1$

素因数の和:88484

約数の個数: 20

約数和(自身を含む): 38393376

約数和(自身を除く): 19993072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88463, 176926, 353852, 707704, 1150019, 1415408, 2300038, 4600076, 9200152, 18400304]

約数ペア:

[(1, 18400304), (2, 9200152), (4, 4600076), (8, 2300038), (13, 1415408), (16, 1150019), (26, 707704), (52, 353852), (104, 176926), (208, 88463)]