18861195

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8009}}^1$

素因数の和:8174

約数の個数: 16

約数和(自身を含む): 30373920

約数和(自身を除く): 11512725

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8009, 24027, 40045, 120135, 1257413, 3772239, 6287065, 18861195]

約数ペア:

[(1, 18861195), (3, 6287065), (5, 3772239), (15, 1257413), (157, 120135), (471, 40045), (785, 24027), (2355, 8009)]