18409727

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 22391040

約数和(自身を除く): 3981313

約数列:

[1, 7, 19, 97, 133, 679, 1427, 1843, 9989, 12901, 27113, 138419, 189791, 968933, 2629961, 18409727]

約数ペア:

[(1, 18409727), (7, 2629961), (19, 968933), (97, 189791), (133, 138419), (679, 27113), (1427, 12901), (1843, 9989)]