18225218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 13742782

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 739, 1121, 1298, 1478, 2242, 8129, 12331, 14041, 16258, 24662, 28082, 43601, 87202, 154451, 308902, 479611, 828419, 959222, 1656838, 9112609, 18225218]

約数ペア:

[(1, 18225218), (2, 9112609), (11, 1656838), (19, 959222), (22, 828419), (38, 479611), (59, 308902), (118, 154451), (209, 87202), (418, 43601), (649, 28082), (739, 24662), (1121, 16258), (1298, 14041), (1478, 12331), (2242, 8129)]