4080521890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21476431}}^1$

素因数の和:21476457

約数の個数: 16

約数和(自身を含む): 7731515520

約数和(自身を除く): 3650993630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21476431, 42952862, 107382155, 214764310, 408052189, 816104378, 2040260945, 4080521890]

約数ペア:

[(1, 4080521890), (2, 2040260945), (5, 816104378), (10, 408052189), (19, 214764310), (38, 107382155), (95, 42952862), (190, 21476431)]