19784030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1213}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 40906944

約数和(自身を除く): 21122914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 233, 466, 1165, 1213, 1631, 2330, 2426, 3262, 6065, 8155, 8491, 12130, 16310, 16982, 42455, 84910, 282629, 565258, 1413145, 1978403, 2826290, 3956806, 9892015, 19784030]

約数ペア:

[(1, 19784030), (2, 9892015), (5, 3956806), (7, 2826290), (10, 1978403), (14, 1413145), (35, 565258), (70, 282629), (233, 84910), (466, 42455), (1165, 16982), (1213, 16310), (1631, 12130), (2330, 8491), (2426, 8155), (3262, 6065)]