19883811

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1346

約数の個数: 16

約数和(自身を含む): 27377280

約数和(自身を除く): 7493469

約数列:

[1, 3, 41, 123, 139, 417, 1163, 3489, 5699, 17097, 47683, 143049, 161657, 484971, 6627937, 19883811]

約数ペア:

[(1, 19883811), (3, 6627937), (41, 484971), (123, 161657), (139, 143049), (417, 47683), (1163, 17097), (3489, 5699)]