18729825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6091}}^1$

素因数の和:6145

約数の個数: 24

約数和(自身を含む): 31727136

約数和(自身を除く): 12997311

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6091, 18273, 30455, 91365, 152275, 249731, 456825, 749193, 1248655, 3745965, 6243275, 18729825]

約数ペア:

[(1, 18729825), (3, 6243275), (5, 3745965), (15, 1248655), (25, 749193), (41, 456825), (75, 249731), (123, 152275), (205, 91365), (615, 30455), (1025, 18273), (3075, 6091)]