19977692

素因数分解:

$2^2\times 7^3\times {\mathrm{14561}}^1$

素因数の和:14586

約数の個数: 24

約数和(自身を含む): 40773600

約数和(自身を除く): 20795908

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14561, 29122, 58244, 101927, 203854, 407708, 713489, 1426978, 2853956, 4994423, 9988846, 19977692]

約数ペア:

[(1, 19977692), (2, 9988846), (4, 4994423), (7, 2853956), (14, 1426978), (28, 713489), (49, 407708), (98, 203854), (196, 101927), (343, 58244), (686, 29122), (1372, 14561)]