18557140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1597}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 45101952

約数和(自身を除く): 26544812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1597, 1660, 2324, 2905, 3194, 5810, 6388, 7985, 11179, 11620, 15970, 22358, 31940, 44716, 55895, 111790, 132551, 223580, 265102, 530204, 662755, 927857, 1325510, 1855714, 2651020, 3711428, 4639285, 9278570, 18557140]

約数ペア:

[(1, 18557140), (2, 9278570), (4, 4639285), (5, 3711428), (7, 2651020), (10, 1855714), (14, 1325510), (20, 927857), (28, 662755), (35, 530204), (70, 265102), (83, 223580), (140, 132551), (166, 111790), (332, 55895), (415, 44716), (581, 31940), (830, 22358), (1162, 15970), (1597, 11620), (1660, 11179), (2324, 7985), (2905, 6388), (3194, 5810)]