18913278

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1596

約数の個数: 32

約数和(自身を含む): 39693600

約数和(自身を除く): 20780322

約数列:

[1, 2, 3, 6, 29, 58, 73, 87, 146, 174, 219, 438, 1489, 2117, 2978, 4234, 4467, 6351, 8934, 12702, 43181, 86362, 108697, 129543, 217394, 259086, 326091, 652182, 3152213, 6304426, 9456639, 18913278]

約数ペア:

[(1, 18913278), (2, 9456639), (3, 6304426), (6, 3152213), (29, 652182), (58, 326091), (73, 259086), (87, 217394), (146, 129543), (174, 108697), (219, 86362), (438, 43181), (1489, 12702), (2117, 8934), (2978, 6351), (4234, 4467)]