19837458

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 45067776

約数和(自身を除く): 25230318

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 73, 93, 146, 186, 219, 279, 438, 487, 558, 657, 974, 1314, 1461, 2263, 2922, 4383, 4526, 6789, 8766, 13578, 15097, 20367, 30194, 35551, 40734, 45291, 71102, 90582, 106653, 135873, 213306, 271746, 319959, 639918, 1102081, 2204162, 3306243, 6612486, 9918729, 19837458]

約数ペア:

[(1, 19837458), (2, 9918729), (3, 6612486), (6, 3306243), (9, 2204162), (18, 1102081), (31, 639918), (62, 319959), (73, 271746), (93, 213306), (146, 135873), (186, 106653), (219, 90582), (279, 71102), (438, 45291), (487, 40734), (558, 35551), (657, 30194), (974, 20367), (1314, 15097), (1461, 13578), (2263, 8766), (2922, 6789), (4383, 4526)]