18964335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7481}}^1$

素因数の和:7515

約数の個数: 24

約数和(自身を含む): 32860944

約数和(自身を除く): 13896609

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7481, 22443, 37405, 97253, 112215, 291759, 486265, 1264289, 1458795, 3792867, 6321445, 18964335]

約数ペア:

[(1, 18964335), (3, 6321445), (5, 3792867), (13, 1458795), (15, 1264289), (39, 486265), (65, 291759), (169, 112215), (195, 97253), (507, 37405), (845, 22443), (2535, 7481)]