19959303

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13135353

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 647, 791, 1469, 1941, 2373, 4407, 4529, 8411, 10283, 13587, 25233, 30849, 58877, 73111, 176631, 219333, 511777, 950443, 1535331, 2851329, 6653101, 19959303]

約数ペア:

[(1, 19959303), (3, 6653101), (7, 2851329), (13, 1535331), (21, 950443), (39, 511777), (91, 219333), (113, 176631), (273, 73111), (339, 58877), (647, 30849), (791, 25233), (1469, 13587), (1941, 10283), (2373, 8411), (4407, 4529)]