18980024

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19937}}^1$

素因数の和:19967

約数の個数: 32

約数和(自身を含む): 43066080

約数和(自身を除く): 24086056

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 19937, 39874, 79748, 139559, 159496, 279118, 338929, 558236, 677858, 1116472, 1355716, 2372503, 2711432, 4745006, 9490012, 18980024]

約数ペア:

[(1, 18980024), (2, 9490012), (4, 4745006), (7, 2711432), (8, 2372503), (14, 1355716), (17, 1116472), (28, 677858), (34, 558236), (56, 338929), (68, 279118), (119, 159496), (136, 139559), (238, 79748), (476, 39874), (952, 19937)]