18942045

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12503}}^1$

素因数の和:12612

約数の個数: 16

約数和(自身を含む): 30609792

約数和(自身を除く): 11667747

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 12503, 37509, 62515, 187545, 1262803, 3788409, 6314015, 18942045]

約数ペア:

[(1, 18942045), (3, 6314015), (5, 3788409), (15, 1262803), (101, 187545), (303, 62515), (505, 37509), (1515, 12503)]