18938256

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{5557}}^1$

素因数の和:5639

約数の個数: 40

約数和(自身を含む): 49621824

約数和(自身を除く): 30683568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 5557, 11114, 16671, 22228, 33342, 44456, 66684, 88912, 133368, 266736, 394547, 789094, 1183641, 1578188, 2367282, 3156376, 4734564, 6312752, 9469128, 18938256]

約数ペア:

[(1, 18938256), (2, 9469128), (3, 6312752), (4, 4734564), (6, 3156376), (8, 2367282), (12, 1578188), (16, 1183641), (24, 789094), (48, 394547), (71, 266736), (142, 133368), (213, 88912), (284, 66684), (426, 44456), (568, 33342), (852, 22228), (1136, 16671), (1704, 11114), (3408, 5557)]