19348641

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12721}}^1$

素因数の和:12753

約数の個数: 18

約数和(自身を含む): 30265638

約数和(自身を除く): 10916997

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12721, 38163, 114489, 165373, 496119, 1488357, 2149849, 6449547, 19348641]

約数ペア:

[(1, 19348641), (3, 6449547), (9, 2149849), (13, 1488357), (39, 496119), (117, 165373), (169, 114489), (507, 38163), (1521, 12721)]