18387585

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1289}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 31997160

約数和(自身を除く): 13609575

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1289, 1585, 2853, 3867, 4755, 6445, 11601, 14265, 19335, 58005, 408613, 1225839, 2043065, 3677517, 6129195, 18387585]

約数ペア:

[(1, 18387585), (3, 6129195), (5, 3677517), (9, 2043065), (15, 1225839), (45, 408613), (317, 58005), (951, 19335), (1289, 14265), (1585, 11601), (2853, 6445), (3867, 4755)]