19883612

素因数分解:

$2^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 40745880

約数和(自身を除く): 20862268

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 443, 458, 886, 916, 1603, 1772, 3101, 3206, 6202, 6412, 11221, 12404, 21707, 22442, 43414, 44884, 86828, 101447, 202894, 405788, 710129, 1420258, 2840516, 4970903, 9941806, 19883612]

約数ペア:

[(1, 19883612), (2, 9941806), (4, 4970903), (7, 2840516), (14, 1420258), (28, 710129), (49, 405788), (98, 202894), (196, 101447), (229, 86828), (443, 44884), (458, 43414), (886, 22442), (916, 21707), (1603, 12404), (1772, 11221), (3101, 6412), (3206, 6202)]