18980491782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1\times {\mathrm{2683}}^1$

素因数の和:3517

約数の個数: 64

約数和(自身を含む): 43612208640

約数和(自身を除く): 24631716858

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 389, 433, 778, 866, 1167, 1299, 2334, 2598, 2683, 2723, 3031, 5366, 5446, 6062, 8049, 8169, 9093, 16098, 16338, 18186, 18781, 37562, 56343, 112686, 168437, 336874, 505311, 1010622, 1043687, 1161739, 1179059, 2087374, 2323478, 2358118, 3131061, 3485217, 3537177, 6262122, 6970434, 7074354, 7305809, 8132173, 14611618, 16264346, 21917427, 24396519, 43834854, 48793038, 451916471, 903832942, 1355749413, 2711498826, 3163415297, 6326830594, 9490245891, 18980491782]

約数ペア:

[(1, 18980491782), (2, 9490245891), (3, 6326830594), (6, 3163415297), (7, 2711498826), (14, 1355749413), (21, 903832942), (42, 451916471), (389, 48793038), (433, 43834854), (778, 24396519), (866, 21917427), (1167, 16264346), (1299, 14611618), (2334, 8132173), (2598, 7305809), (2683, 7074354), (2723, 6970434), (3031, 6262122), (5366, 3537177), (5446, 3485217), (6062, 3131061), (8049, 2358118), (8169, 2323478), (9093, 2087374), (16098, 1179059), (16338, 1161739), (18186, 1043687), (18781, 1010622), (37562, 505311), (56343, 336874), (112686, 168437)]