18964566

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 42490656

約数和(自身を除く): 23526090

約数列:

[1, 2, 3, 6, 9, 18, 53, 103, 106, 159, 193, 206, 309, 318, 386, 477, 579, 618, 927, 954, 1158, 1737, 1854, 3474, 5459, 10229, 10918, 16377, 19879, 20458, 30687, 32754, 39758, 49131, 59637, 61374, 92061, 98262, 119274, 178911, 184122, 357822, 1053587, 2107174, 3160761, 6321522, 9482283, 18964566]

約数ペア:

[(1, 18964566), (2, 9482283), (3, 6321522), (6, 3160761), (9, 2107174), (18, 1053587), (53, 357822), (103, 184122), (106, 178911), (159, 119274), (193, 98262), (206, 92061), (309, 61374), (318, 59637), (386, 49131), (477, 39758), (579, 32754), (618, 30687), (927, 20458), (954, 19879), (1158, 16377), (1737, 10918), (1854, 10229), (3474, 5459)]