19620464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 40332240

約数和(自身を除く): 20711776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 233, 277, 304, 466, 554, 932, 1108, 1864, 2216, 3728, 4427, 4432, 5263, 8854, 10526, 17708, 21052, 35416, 42104, 64541, 70832, 84208, 129082, 258164, 516328, 1032656, 1226279, 2452558, 4905116, 9810232, 19620464]

約数ペア:

[(1, 19620464), (2, 9810232), (4, 4905116), (8, 2452558), (16, 1226279), (19, 1032656), (38, 516328), (76, 258164), (152, 129082), (233, 84208), (277, 70832), (304, 64541), (466, 42104), (554, 35416), (932, 21052), (1108, 17708), (1864, 10526), (2216, 8854), (3728, 5263), (4427, 4432)]