18960417

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5101}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 31836480

約数和(自身を除く): 12876063

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5101, 15303, 35707, 45909, 107121, 300959, 321363, 902877, 2106713, 2708631, 6320139, 18960417]

約数ペア:

[(1, 18960417), (3, 6320139), (7, 2708631), (9, 2106713), (21, 902877), (59, 321363), (63, 300959), (177, 107121), (413, 45909), (531, 35707), (1239, 15303), (3717, 5101)]