19638961905

素因数分解:

$3^1\times 5^1\times {\mathrm{40903}}^1\times {\mathrm{32009}}^1$

素因数の和:72920

約数の個数: 16

約数和(自身を含む): 31424088960

約数和(自身を除く): 11785127055

約数列:

[1, 3, 5, 15, 32009, 40903, 96027, 122709, 160045, 204515, 480135, 613545, 1309264127, 3927792381, 6546320635, 19638961905]

約数ペア:

[(1, 19638961905), (3, 6546320635), (5, 3927792381), (15, 1309264127), (32009, 613545), (40903, 480135), (96027, 204515), (122709, 160045)]