18265814

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 14082346

約数列:

[1, 2, 7, 14, 53, 103, 106, 206, 239, 371, 478, 721, 742, 1442, 1673, 3346, 5459, 10918, 12667, 24617, 25334, 38213, 49234, 76426, 88669, 172319, 177338, 344638, 1304701, 2609402, 9132907, 18265814]

約数ペア:

[(1, 18265814), (2, 9132907), (7, 2609402), (14, 1304701), (53, 344638), (103, 177338), (106, 172319), (206, 88669), (239, 76426), (371, 49234), (478, 38213), (721, 25334), (742, 24617), (1442, 12667), (1673, 10918), (3346, 5459)]