19700428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12101}}^1$

素因数の和:12153

約数の個数: 24

約数和(自身を含む): 38629584

約数和(自身を除く): 18929156

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12101, 24202, 48404, 133111, 266222, 447737, 532444, 895474, 1790948, 4925107, 9850214, 19700428]

約数ペア:

[(1, 19700428), (2, 9850214), (4, 4925107), (11, 1790948), (22, 895474), (37, 532444), (44, 447737), (74, 266222), (148, 133111), (407, 48404), (814, 24202), (1628, 12101)]