19958003

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 22438080

約数和(自身を除く): 2480077

約数列:

[1, 13, 29, 167, 317, 377, 2171, 4121, 4843, 9193, 52939, 62959, 119509, 688207, 1535231, 19958003]

約数ペア:

[(1, 19958003), (13, 1535231), (29, 688207), (167, 119509), (317, 62959), (377, 52939), (2171, 9193), (4121, 4843)]