19755953

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 24048000

約数和(自身を除く): 4292047

約数列:

[1, 7, 19, 89, 133, 623, 1669, 1691, 11683, 11837, 31711, 148541, 221977, 1039787, 2822279, 19755953]

約数ペア:

[(1, 19755953), (7, 2822279), (19, 1039787), (89, 221977), (133, 148541), (623, 31711), (1669, 11837), (1691, 11683)]