19169830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 35719200

約数和(自身を除く): 16549370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 409, 430, 545, 818, 1090, 2045, 4090, 4687, 9374, 17587, 23435, 35174, 44581, 46870, 87935, 89162, 175870, 222905, 445810, 1916983, 3833966, 9584915, 19169830]

約数ペア:

[(1, 19169830), (2, 9584915), (5, 3833966), (10, 1916983), (43, 445810), (86, 222905), (109, 175870), (215, 89162), (218, 87935), (409, 46870), (430, 44581), (545, 35174), (818, 23435), (1090, 17587), (2045, 9374), (4090, 4687)]