18181226

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 32192640

約数和(自身を除く): 14011414

約数列:

[1, 2, 7, 14, 53, 106, 107, 214, 229, 371, 458, 742, 749, 1498, 1603, 3206, 5671, 11342, 12137, 24274, 24503, 39697, 49006, 79394, 84959, 169918, 171521, 343042, 1298659, 2597318, 9090613, 18181226]

約数ペア:

[(1, 18181226), (2, 9090613), (7, 2597318), (14, 1298659), (53, 343042), (106, 171521), (107, 169918), (214, 84959), (229, 79394), (371, 49006), (458, 39697), (742, 24503), (749, 24274), (1498, 12137), (1603, 11342), (3206, 5671)]