19992310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5303}}^1$

素因数の和:5352

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 20105930

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5303, 10606, 26515, 53030, 68939, 137878, 153787, 307574, 344695, 689390, 768935, 1537870, 1999231, 3998462, 9996155, 19992310]

約数ペア:

[(1, 19992310), (2, 9996155), (5, 3998462), (10, 1999231), (13, 1537870), (26, 768935), (29, 689390), (58, 344695), (65, 307574), (130, 153787), (145, 137878), (290, 68939), (377, 53030), (754, 26515), (1885, 10606), (3770, 5303)]