18282625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 24186240

約数和(自身を除く): 5903615

約数列:

[1, 5, 25, 37, 59, 67, 125, 185, 295, 335, 925, 1475, 1675, 2183, 2479, 3953, 4625, 7375, 8375, 10915, 12395, 19765, 54575, 61975, 98825, 146261, 272875, 309875, 494125, 731305, 3656525, 18282625]

約数ペア:

[(1, 18282625), (5, 3656525), (25, 731305), (37, 494125), (59, 309875), (67, 272875), (125, 146261), (185, 98825), (295, 61975), (335, 54575), (925, 19765), (1475, 12395), (1675, 10915), (2183, 8375), (2479, 7375), (3953, 4625)]