18420141

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 24980480

約数和(自身を除く): 6560339

約数列:

[1, 3, 139, 163, 271, 417, 489, 813, 22657, 37669, 44173, 67971, 113007, 132519, 6140047, 18420141]

約数ペア:

[(1, 18420141), (3, 6140047), (139, 132519), (163, 113007), (271, 67971), (417, 44173), (489, 37669), (813, 22657)]