19906744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17401}}^1$

素因数の和:17431

約数の個数: 32

約数和(自身を含む): 43853040

約数和(自身を除く): 23946296

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17401, 34802, 69604, 139208, 191411, 226213, 382822, 452426, 765644, 904852, 1531288, 1809704, 2488343, 4976686, 9953372, 19906744]

約数ペア:

[(1, 19906744), (2, 9953372), (4, 4976686), (8, 2488343), (11, 1809704), (13, 1531288), (22, 904852), (26, 765644), (44, 452426), (52, 382822), (88, 226213), (104, 191411), (143, 139208), (286, 69604), (572, 34802), (1144, 17401)]