19481345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 26756352

約数和(自身を除く): 7275007

約数列:

[1, 5, 13, 23, 65, 83, 115, 157, 299, 415, 785, 1079, 1495, 1909, 2041, 3611, 5395, 9545, 10205, 13031, 18055, 24817, 46943, 65155, 124085, 169403, 234715, 299713, 847015, 1498565, 3896269, 19481345]

約数ペア:

[(1, 19481345), (5, 3896269), (13, 1498565), (23, 847015), (65, 299713), (83, 234715), (115, 169403), (157, 124085), (299, 65155), (415, 46943), (785, 24817), (1079, 18055), (1495, 13031), (1909, 10205), (2041, 9545), (3611, 5395)]