19964753415

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{857}}^1\times {\mathrm{1291}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 34759254816

約数和(自身を除く): 14794501401

約数列:

[1, 3, 5, 9, 15, 45, 401, 857, 1203, 1291, 2005, 2571, 3609, 3873, 4285, 6015, 6455, 7713, 11619, 12855, 18045, 19365, 38565, 58095, 343657, 517691, 1030971, 1106387, 1553073, 1718285, 2588455, 3092913, 3319161, 4659219, 5154855, 5531935, 7765365, 9957483, 15464565, 16595805, 23296095, 49787415, 443661187, 1330983561, 2218305935, 3992950683, 6654917805, 19964753415]

約数ペア:

[(1, 19964753415), (3, 6654917805), (5, 3992950683), (9, 2218305935), (15, 1330983561), (45, 443661187), (401, 49787415), (857, 23296095), (1203, 16595805), (1291, 15464565), (2005, 9957483), (2571, 7765365), (3609, 5531935), (3873, 5154855), (4285, 4659219), (6015, 3319161), (6455, 3092913), (7713, 2588455), (11619, 1718285), (12855, 1553073), (18045, 1106387), (19365, 1030971), (38565, 517691), (58095, 343657)]