18227275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 24998400

約数和(自身を除く): 6771125

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 839, 869, 1975, 4195, 4345, 9229, 20975, 21725, 46145, 66281, 230725, 331405, 729091, 1657025, 3645455, 18227275]

約数ペア:

[(1, 18227275), (5, 3645455), (11, 1657025), (25, 729091), (55, 331405), (79, 230725), (275, 66281), (395, 46145), (839, 21725), (869, 20975), (1975, 9229), (4195, 4345)]