18542277

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17609}}^1$

素因数の和:17634

約数の個数: 20

約数和(自身を含む): 29831340

約数和(自身を除く): 11289063

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17609, 52827, 158481, 228917, 475443, 686751, 1426329, 2060253, 6180759, 18542277]

約数ペア:

[(1, 18542277), (3, 6180759), (9, 2060253), (13, 1426329), (27, 686751), (39, 475443), (81, 228917), (117, 158481), (351, 52827), (1053, 17609)]