18630285

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1879}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 29869440

約数和(自身を除く): 11239155

約数列:

[1, 3, 5, 15, 661, 1879, 1983, 3305, 5637, 9395, 9915, 28185, 1242019, 3726057, 6210095, 18630285]

約数ペア:

[(1, 18630285), (3, 6210095), (5, 3726057), (15, 1242019), (661, 28185), (1879, 9915), (1983, 9395), (3305, 5637)]