19085464

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 37026000

約数和(自身を除く): 17940536

約数列:

[1, 2, 4, 8, 43, 86, 109, 172, 218, 344, 436, 509, 872, 1018, 2036, 4072, 4687, 9374, 18748, 21887, 37496, 43774, 55481, 87548, 110962, 175096, 221924, 443848, 2385683, 4771366, 9542732, 19085464]

約数ペア:

[(1, 19085464), (2, 9542732), (4, 4771366), (8, 2385683), (43, 443848), (86, 221924), (109, 175096), (172, 110962), (218, 87548), (344, 55481), (436, 43774), (509, 37496), (872, 21887), (1018, 18748), (2036, 9374), (4072, 4687)]