18633663

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 27902160

約数和(自身を除く): 9268497

約数列:

[1, 3, 9, 43, 89, 129, 267, 387, 541, 801, 1623, 3827, 4869, 11481, 23263, 34443, 48149, 69789, 144447, 209367, 433341, 2070407, 6211221, 18633663]

約数ペア:

[(1, 18633663), (3, 6211221), (9, 2070407), (43, 433341), (89, 209367), (129, 144447), (267, 69789), (387, 48149), (541, 34443), (801, 23263), (1623, 11481), (3827, 4869)]