18901335

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9619}}^1$

素因数の和:9758

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 11574825

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 9619, 28857, 48095, 144285, 1260089, 3780267, 6300445, 18901335]

約数ペア:

[(1, 18901335), (3, 6300445), (5, 3780267), (15, 1260089), (131, 144285), (393, 48095), (655, 28857), (1965, 9619)]