19969510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19428890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 379, 479, 758, 958, 1895, 2395, 3790, 4169, 4790, 5269, 8338, 10538, 20845, 26345, 41690, 52690, 181541, 363082, 907705, 1815410, 1996951, 3993902, 9984755, 19969510]

約数ペア:

[(1, 19969510), (2, 9984755), (5, 3993902), (10, 1996951), (11, 1815410), (22, 907705), (55, 363082), (110, 181541), (379, 52690), (479, 41690), (758, 26345), (958, 20845), (1895, 10538), (2395, 8338), (3790, 5269), (4169, 4790)]