219619390

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{44729}}^1$

素因数の和:45227

約数の個数: 16

約数和(自身を含む): 396128880

約数和(自身を除く): 176509490

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 44729, 89458, 223645, 447290, 21961939, 43923878, 109809695, 219619390]

約数ペア:

[(1, 219619390), (2, 109809695), (5, 43923878), (10, 21961939), (491, 447290), (982, 223645), (2455, 89458), (4910, 44729)]