39957968

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{18229}}^1$

素因数の和:18374

約数の個数: 20

約数和(自身を含む): 77987940

約数和(自身を除く): 38029972

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 18229, 36458, 72916, 145832, 291664, 2497373, 4994746, 9989492, 19978984, 39957968]

約数ペア:

[(1, 39957968), (2, 19978984), (4, 9989492), (8, 4994746), (16, 2497373), (137, 291664), (274, 145832), (548, 72916), (1096, 36458), (2192, 18229)]