18978135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115019}}^1$

素因数の和:115038

約数の個数: 16

約数和(自身を含む): 33125760

約数和(自身を除く): 14147625

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 115019, 345057, 575095, 1265209, 1725285, 3795627, 6326045, 18978135]

約数ペア:

[(1, 18978135), (3, 6326045), (5, 3795627), (11, 1725285), (15, 1265209), (33, 575095), (55, 345057), (165, 115019)]