19869968

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5153}}^1$

素因数の和:5402

約数の個数: 20

約数和(自身を含む): 38665308

約数和(自身を除く): 18795340

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5153, 10306, 20612, 41224, 82448, 1241873, 2483746, 4967492, 9934984, 19869968]

約数ペア:

[(1, 19869968), (2, 9934984), (4, 4967492), (8, 2483746), (16, 1241873), (241, 82448), (482, 41224), (964, 20612), (1928, 10306), (3856, 5153)]