19837180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2437}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 46692576

約数和(自身を除く): 26855396

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, 2437, 4070, 4874, 8140, 9748, 12185, 24370, 26807, 48740, 53614, 90169, 107228, 134035, 180338, 268070, 360676, 450845, 536140, 901690, 991859, 1803380, 1983718, 3967436, 4959295, 9918590, 19837180]

約数ペア:

[(1, 19837180), (2, 9918590), (4, 4959295), (5, 3967436), (10, 1983718), (11, 1803380), (20, 991859), (22, 901690), (37, 536140), (44, 450845), (55, 360676), (74, 268070), (110, 180338), (148, 134035), (185, 107228), (220, 90169), (370, 53614), (407, 48740), (740, 26807), (814, 24370), (1628, 12185), (2035, 9748), (2437, 8140), (4070, 4874)]