180018

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 24

約数和(自身を含む): 398268

約数和(自身を除く): 218250

約数列:

[1, 2, 3, 6, 9, 18, 73, 137, 146, 219, 274, 411, 438, 657, 822, 1233, 1314, 2466, 10001, 20002, 30003, 60006, 90009, 180018]

約数ペア:

[(1, 180018), (2, 90009), (3, 60006), (6, 30003), (9, 20002), (18, 10001), (73, 2466), (137, 1314), (146, 1233), (219, 822), (274, 657), (411, 438)]