19041045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 12778347

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 557, 645, 795, 1671, 2279, 2785, 6837, 8355, 11395, 23951, 29521, 34185, 71853, 88563, 119755, 147605, 359265, 442815, 1269403, 3808209, 6347015, 19041045]

約数ペア:

[(1, 19041045), (3, 6347015), (5, 3808209), (15, 1269403), (43, 442815), (53, 359265), (129, 147605), (159, 119755), (215, 88563), (265, 71853), (557, 34185), (645, 29521), (795, 23951), (1671, 11395), (2279, 8355), (2785, 6837)]