19851045

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13103}}^1$

素因数の和:13212

約数の個数: 16

約数和(自身を含む): 32078592

約数和(自身を除く): 12227547

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 13103, 39309, 65515, 196545, 1323403, 3970209, 6617015, 19851045]

約数ペア:

[(1, 19851045), (3, 6617015), (5, 3970209), (15, 1323403), (101, 196545), (303, 65515), (505, 39309), (1515, 13103)]