18083380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3491}}^1$

素因数の和:3544

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 26502476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3491, 5180, 6982, 13964, 17455, 24437, 34910, 48874, 69820, 97748, 122185, 129167, 244370, 258334, 488740, 516668, 645835, 904169, 1291670, 1808338, 2583340, 3616676, 4520845, 9041690, 18083380]

約数ペア:

[(1, 18083380), (2, 9041690), (4, 4520845), (5, 3616676), (7, 2583340), (10, 1808338), (14, 1291670), (20, 904169), (28, 645835), (35, 516668), (37, 488740), (70, 258334), (74, 244370), (140, 129167), (148, 122185), (185, 97748), (259, 69820), (370, 48874), (518, 34910), (740, 24437), (1036, 17455), (1295, 13964), (2590, 6982), (3491, 5180)]