19043695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7083665

約数列:

[1, 5, 11, 47, 53, 55, 139, 235, 265, 517, 583, 695, 1529, 2491, 2585, 2915, 6533, 7367, 7645, 12455, 27401, 32665, 36835, 71863, 81037, 137005, 346249, 359315, 405185, 1731245, 3808739, 19043695]

約数ペア:

[(1, 19043695), (5, 3808739), (11, 1731245), (47, 405185), (53, 359315), (55, 346249), (139, 137005), (235, 81037), (265, 71863), (517, 36835), (583, 32665), (695, 27401), (1529, 12455), (2491, 7645), (2585, 7367), (2915, 6533)]