18846295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 6958505

約数列:

[1, 5, 13, 31, 47, 65, 155, 199, 235, 403, 611, 995, 1457, 2015, 2587, 3055, 6169, 7285, 9353, 12935, 18941, 30845, 46765, 80197, 94705, 121589, 289943, 400985, 607945, 1449715, 3769259, 18846295]

約数ペア:

[(1, 18846295), (5, 3769259), (13, 1449715), (31, 607945), (47, 400985), (65, 289943), (155, 121589), (199, 94705), (235, 80197), (403, 46765), (611, 30845), (995, 18941), (1457, 12935), (2015, 9353), (2587, 7285), (3055, 6169)]