18698002

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 28566720

約数和(自身を除く): 9868718

約数列:

[1, 2, 103, 139, 206, 278, 653, 1306, 14317, 28634, 67259, 90767, 134518, 181534, 9349001, 18698002]

約数ペア:

[(1, 18698002), (2, 9349001), (103, 181534), (139, 134518), (206, 90767), (278, 67259), (653, 28634), (1306, 14317)]