18196225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 23784192

約数和(自身を除く): 5587967

約数列:

[1, 5, 25, 31, 53, 155, 265, 443, 775, 1325, 1643, 2215, 8215, 11075, 13733, 23479, 41075, 68665, 117395, 343325, 586975, 727849, 3639245, 18196225]

約数ペア:

[(1, 18196225), (5, 3639245), (25, 727849), (31, 586975), (53, 343325), (155, 117395), (265, 68665), (443, 41075), (775, 23479), (1325, 13733), (1643, 11075), (2215, 8215)]