19723844

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13291}}^1$

素因数の和:13355

約数の個数: 24

約数和(自身を含む): 40195008

約数和(自身を除く): 20471164

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13291, 26582, 53164, 93037, 186074, 372148, 704423, 1408846, 2817692, 4930961, 9861922, 19723844]

約数ペア:

[(1, 19723844), (2, 9861922), (4, 4930961), (7, 2817692), (14, 1408846), (28, 704423), (53, 372148), (106, 186074), (212, 93037), (371, 53164), (742, 26582), (1484, 13291)]