18717285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12801435

約数列:

[1, 3, 5, 15, 23, 69, 115, 227, 239, 345, 681, 717, 1135, 1195, 3405, 3585, 5221, 5497, 15663, 16491, 26105, 27485, 54253, 78315, 82455, 162759, 271265, 813795, 1247819, 3743457, 6239095, 18717285]

約数ペア:

[(1, 18717285), (3, 6239095), (5, 3743457), (15, 1247819), (23, 813795), (69, 271265), (115, 162759), (227, 82455), (239, 78315), (345, 54253), (681, 27485), (717, 26105), (1135, 16491), (1195, 15663), (3405, 5497), (3585, 5221)]