18028025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 23272320

約数和(自身を除く): 5244295

約数列:

[1, 5, 25, 47, 67, 229, 235, 335, 1145, 1175, 1675, 3149, 5725, 10763, 15343, 15745, 53815, 76715, 78725, 269075, 383575, 721121, 3605605, 18028025]

約数ペア:

[(1, 18028025), (5, 3605605), (25, 721121), (47, 383575), (67, 269075), (229, 78725), (235, 76715), (335, 53815), (1145, 15745), (1175, 15343), (1675, 10763), (3149, 5725)]