18203216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59879}}^1$

素因数の和:59906

約数の個数: 20

約数和(自身を含む): 37125600

約数和(自身を除く): 18922384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59879, 119758, 239516, 479032, 958064, 1137701, 2275402, 4550804, 9101608, 18203216]

約数ペア:

[(1, 18203216), (2, 9101608), (4, 4550804), (8, 2275402), (16, 1137701), (19, 958064), (38, 479032), (76, 239516), (152, 119758), (304, 59879)]