19829968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42737}}^1$

素因数の和:42774

約数の個数: 20

約数和(自身を含む): 39746340

約数和(自身を除く): 19916372

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42737, 85474, 170948, 341896, 683792, 1239373, 2478746, 4957492, 9914984, 19829968]

約数ペア:

[(1, 19829968), (2, 9914984), (4, 4957492), (8, 2478746), (16, 1239373), (29, 683792), (58, 341896), (116, 170948), (232, 85474), (464, 42737)]