19827886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 14137682

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 467, 598, 923, 934, 1633, 1846, 3266, 6071, 10741, 12142, 21229, 21482, 33157, 42458, 66314, 139633, 279266, 431041, 762611, 862082, 1525222, 9913943, 19827886]

約数ペア:

[(1, 19827886), (2, 9913943), (13, 1525222), (23, 862082), (26, 762611), (46, 431041), (71, 279266), (142, 139633), (299, 66314), (467, 42458), (598, 33157), (923, 21482), (934, 21229), (1633, 12142), (1846, 10741), (3266, 6071)]