18855039

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 11143041

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 287, 359, 427, 861, 1077, 1281, 2501, 2513, 7503, 7539, 14719, 17507, 21899, 44157, 52521, 65697, 103033, 153293, 309099, 459879, 897859, 2693577, 6285013, 18855039]

約数ペア:

[(1, 18855039), (3, 6285013), (7, 2693577), (21, 897859), (41, 459879), (61, 309099), (123, 153293), (183, 103033), (287, 65697), (359, 52521), (427, 44157), (861, 21899), (1077, 17507), (1281, 14719), (2501, 7539), (2513, 7503)]