18228490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37201}}^1$

素因数の和:37222

約数の個数: 24

約数和(自身を含む): 38169252

約数和(自身を除く): 19940762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37201, 74402, 186005, 260407, 372010, 520814, 1302035, 1822849, 2604070, 3645698, 9114245, 18228490]

約数ペア:

[(1, 18228490), (2, 9114245), (5, 3645698), (7, 2604070), (10, 1822849), (14, 1302035), (35, 520814), (49, 372010), (70, 260407), (98, 186005), (245, 74402), (490, 37201)]