18898939

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 21139200

約数和(自身を除く): 2240261

約数列:

[1, 19, 23, 59, 437, 733, 1121, 1357, 13927, 16859, 25783, 43247, 320321, 821693, 994681, 18898939]

約数ペア:

[(1, 18898939), (19, 994681), (23, 821693), (59, 320321), (437, 43247), (733, 25783), (1121, 16859), (1357, 13927)]