18338211775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1\times {\mathrm{839}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 24782788800

約数和(自身を除く): 6444577025

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 617, 839, 1417, 2725, 3085, 4195, 7085, 8021, 10907, 15425, 20975, 35425, 40105, 54535, 67253, 91451, 200525, 272675, 336265, 457255, 517663, 874289, 1188863, 1681325, 2286275, 2588315, 4371445, 5944315, 6729619, 12941575, 21857225, 29721575, 33648095, 56425267, 168240475, 282126335, 733528471, 1410631675, 3667642355, 18338211775]

約数ペア:

[(1, 18338211775), (5, 3667642355), (13, 1410631675), (25, 733528471), (65, 282126335), (109, 168240475), (325, 56425267), (545, 33648095), (617, 29721575), (839, 21857225), (1417, 12941575), (2725, 6729619), (3085, 5944315), (4195, 4371445), (7085, 2588315), (8021, 2286275), (10907, 1681325), (15425, 1188863), (20975, 874289), (35425, 517663), (40105, 457255), (54535, 336265), (67253, 272675), (91451, 200525)]