18390639

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1489}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 25747200

約数和(自身を除く): 7356561

約数列:

[1, 3, 23, 69, 179, 537, 1489, 4117, 4467, 12351, 34247, 102741, 266531, 799593, 6130213, 18390639]

約数ペア:

[(1, 18390639), (3, 6130213), (23, 799593), (69, 266531), (179, 102741), (537, 34247), (1489, 12351), (4117, 4467)]