19137140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 25908364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2351, 4070, 4702, 8140, 9404, 11755, 23510, 25861, 47020, 51722, 86987, 103444, 129305, 173974, 258610, 347948, 434935, 517220, 869870, 956857, 1739740, 1913714, 3827428, 4784285, 9568570, 19137140]

約数ペア:

[(1, 19137140), (2, 9568570), (4, 4784285), (5, 3827428), (10, 1913714), (11, 1739740), (20, 956857), (22, 869870), (37, 517220), (44, 434935), (55, 347948), (74, 258610), (110, 173974), (148, 129305), (185, 103444), (220, 86987), (370, 51722), (407, 47020), (740, 25861), (814, 23510), (1628, 11755), (2035, 9404), (2351, 8140), (4070, 4702)]