18890613

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13037}}^1$

素因数の和:13073

約数の個数: 24

約数和(自身を含む): 32542848

約数和(自身を除く): 13652235

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13037, 39111, 91259, 117333, 273777, 299851, 821331, 899553, 2098957, 2698659, 6296871, 18890613]

約数ペア:

[(1, 18890613), (3, 6296871), (7, 2698659), (9, 2098957), (21, 899553), (23, 821331), (63, 299851), (69, 273777), (161, 117333), (207, 91259), (483, 39111), (1449, 13037)]