20197780919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{1901}}^1\times {\mathrm{559201}}^1$

素因数の和:561121

約数の個数: 8

約数和(自身を含む): 21272044080

約数和(自身を除く): 1074263161

約数列:

[1, 19, 1901, 36119, 559201, 10624819, 1063041101, 20197780919]

約数ペア:

[(1, 20197780919), (19, 1063041101), (1901, 10624819), (36119, 559201)]