19895330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21890

約数の個数: 32

約数和(自身を含む): 44077824

約数和(自身を除く): 24182494

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21863, 43726, 109315, 153041, 218630, 284219, 306082, 568438, 765205, 1421095, 1530410, 1989533, 2842190, 3979066, 9947665, 19895330]

約数ペア:

[(1, 19895330), (2, 9947665), (5, 3979066), (7, 2842190), (10, 1989533), (13, 1530410), (14, 1421095), (26, 765205), (35, 568438), (65, 306082), (70, 284219), (91, 218630), (130, 153041), (182, 109315), (455, 43726), (910, 21863)]