19942936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{823}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 40491360

約数和(自身を除く): 20548424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 233, 466, 823, 932, 1646, 1864, 3029, 3292, 6058, 6584, 10699, 12116, 21398, 24232, 42796, 85592, 191759, 383518, 767036, 1534072, 2492867, 4985734, 9971468, 19942936]

約数ペア:

[(1, 19942936), (2, 9971468), (4, 4985734), (8, 2492867), (13, 1534072), (26, 767036), (52, 383518), (104, 191759), (233, 85592), (466, 42796), (823, 24232), (932, 21398), (1646, 12116), (1864, 10699), (3029, 6584), (3292, 6058)]