18419163

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5381}}^1$

素因数の和:5554

約数の個数: 16

約数和(自身を含む): 28244736

約数和(自身を除く): 9825573

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5381, 16143, 37667, 113001, 877103, 2631309, 6139721, 18419163]

約数ペア:

[(1, 18419163), (3, 6139721), (7, 2631309), (21, 877103), (163, 113001), (489, 37667), (1141, 16143), (3423, 5381)]