19386471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 29373120

約数和(自身を除く): 9986649

約数列:

[1, 3, 13, 29, 39, 61, 87, 183, 281, 377, 793, 843, 1131, 1769, 2379, 3653, 5307, 8149, 10959, 17141, 22997, 24447, 51423, 68991, 105937, 222833, 317811, 497089, 668499, 1491267, 6462157, 19386471]

約数ペア:

[(1, 19386471), (3, 6462157), (13, 1491267), (29, 668499), (39, 497089), (61, 317811), (87, 222833), (183, 105937), (281, 68991), (377, 51423), (793, 24447), (843, 22997), (1131, 17141), (1769, 10959), (2379, 8149), (3653, 5307)]