19705238

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 35112000

約数和(自身を除く): 15406762

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 349, 518, 698, 763, 1526, 2443, 4033, 4886, 8066, 12913, 25826, 28231, 38041, 56462, 76082, 90391, 180782, 266287, 532574, 1407517, 2815034, 9852619, 19705238]

約数ペア:

[(1, 19705238), (2, 9852619), (7, 2815034), (14, 1407517), (37, 532574), (74, 266287), (109, 180782), (218, 90391), (259, 76082), (349, 56462), (518, 38041), (698, 28231), (763, 25826), (1526, 12913), (2443, 8066), (4033, 4886)]