18770102

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 31519488

約数和(自身を除く): 12749386

約数列:

[1, 2, 13, 26, 43, 86, 103, 163, 206, 326, 559, 1118, 1339, 2119, 2678, 4238, 4429, 7009, 8858, 14018, 16789, 33578, 57577, 91117, 115154, 182234, 218257, 436514, 721927, 1443854, 9385051, 18770102]

約数ペア:

[(1, 18770102), (2, 9385051), (13, 1443854), (26, 721927), (43, 436514), (86, 218257), (103, 182234), (163, 115154), (206, 91117), (326, 57577), (559, 33578), (1118, 16789), (1339, 14018), (2119, 8858), (2678, 7009), (4238, 4429)]