18900015

素因数分解:

$3^1\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1303}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 30294528

約数和(自身を除く): 11394513

約数列:

[1, 3, 5, 15, 967, 1303, 2901, 3909, 4835, 6515, 14505, 19545, 1260001, 3780003, 6300005, 18900015]

約数ペア:

[(1, 18900015), (3, 6300005), (5, 3780003), (15, 1260001), (967, 19545), (1303, 14505), (2901, 6515), (3909, 4835)]