18280587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6421}}^1$

素因数の和:6510

約数の個数: 16

約数和(自身を含む): 26612768

約数和(自身を除く): 8332181

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6421, 19263, 83473, 250419, 468733, 1406199, 6093529, 18280587]

約数ペア:

[(1, 18280587), (3, 6093529), (13, 1406199), (39, 468733), (73, 250419), (219, 83473), (949, 19263), (2847, 6421)]