19763211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 10476789

約数列:

[1, 3, 13, 19, 39, 57, 149, 179, 247, 447, 537, 741, 1937, 2327, 2831, 3401, 5811, 6981, 8493, 10203, 26671, 36803, 44213, 80013, 110409, 132639, 346723, 506749, 1040169, 1520247, 6587737, 19763211]

約数ペア:

[(1, 19763211), (3, 6587737), (13, 1520247), (19, 1040169), (39, 506749), (57, 346723), (149, 132639), (179, 110409), (247, 80013), (447, 44213), (537, 36803), (741, 26671), (1937, 10203), (2327, 8493), (2831, 6981), (3401, 5811)]