18306253

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:146

約数の個数: 24

約数和(自身を含む): 22904000

約数和(自身を除く): 4597747

約数列:

[1, 7, 19, 49, 53, 133, 343, 371, 931, 1007, 2597, 2809, 6517, 7049, 18179, 19663, 49343, 53371, 137641, 345401, 373597, 963487, 2615179, 18306253]

約数ペア:

[(1, 18306253), (7, 2615179), (19, 963487), (49, 373597), (53, 345401), (133, 137641), (343, 53371), (371, 49343), (931, 19663), (1007, 18179), (2597, 7049), (2809, 6517)]