18292540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 44194752

約数和(自身を除く): 25902212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 677, 772, 965, 1351, 1354, 1930, 2702, 2708, 3385, 3860, 4739, 5404, 6755, 6770, 9478, 13510, 13540, 18956, 23695, 27020, 47390, 94780, 130661, 261322, 522644, 653305, 914627, 1306610, 1829254, 2613220, 3658508, 4573135, 9146270, 18292540]

約数ペア:

[(1, 18292540), (2, 9146270), (4, 4573135), (5, 3658508), (7, 2613220), (10, 1829254), (14, 1306610), (20, 914627), (28, 653305), (35, 522644), (70, 261322), (140, 130661), (193, 94780), (386, 47390), (677, 27020), (772, 23695), (965, 18956), (1351, 13540), (1354, 13510), (1930, 9478), (2702, 6770), (2708, 6755), (3385, 5404), (3860, 4739)]