19750353

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 31789056

約数和(自身を除く): 12038703

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 397, 483, 721, 1191, 2163, 2369, 2779, 7107, 8337, 9131, 16583, 27393, 40891, 49749, 63917, 122673, 191751, 286237, 858711, 940493, 2821479, 6583451, 19750353]

約数ペア:

[(1, 19750353), (3, 6583451), (7, 2821479), (21, 940493), (23, 858711), (69, 286237), (103, 191751), (161, 122673), (309, 63917), (397, 49749), (483, 40891), (721, 27393), (1191, 16583), (2163, 9131), (2369, 8337), (2779, 7107)]