19249810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16675310

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 503, 890, 1006, 2515, 3827, 5030, 7654, 19135, 21629, 38270, 43258, 44767, 89534, 108145, 216290, 223835, 447670, 1924981, 3849962, 9624905, 19249810]

約数ペア:

[(1, 19249810), (2, 9624905), (5, 3849962), (10, 1924981), (43, 447670), (86, 223835), (89, 216290), (178, 108145), (215, 89534), (430, 44767), (445, 43258), (503, 38270), (890, 21629), (1006, 19135), (2515, 7654), (3827, 5030)]