19767215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3011}}^1$

素因数の和:3130

約数の個数: 16

約数和(自身を含む): 25806816

約数和(自身を除く): 6039601

約数列:

[1, 5, 13, 65, 101, 505, 1313, 3011, 6565, 15055, 39143, 195715, 304111, 1520555, 3953443, 19767215]

約数ペア:

[(1, 19767215), (5, 3953443), (13, 1520555), (65, 304111), (101, 195715), (505, 39143), (1313, 15055), (3011, 6565)]