19766280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 59811840

約数和(自身を除く): 40045560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1297, 1524, 1905, 2540, 2594, 3048, 3810, 3891, 5080, 5188, 6485, 7620, 7782, 10376, 12970, 15240, 15564, 19455, 25940, 31128, 38910, 51880, 77820, 155640, 164719, 329438, 494157, 658876, 823595, 988314, 1317752, 1647190, 1976628, 2470785, 3294380, 3953256, 4941570, 6588760, 9883140, 19766280]

約数ペア:

[(1, 19766280), (2, 9883140), (3, 6588760), (4, 4941570), (5, 3953256), (6, 3294380), (8, 2470785), (10, 1976628), (12, 1647190), (15, 1317752), (20, 988314), (24, 823595), (30, 658876), (40, 494157), (60, 329438), (120, 164719), (127, 155640), (254, 77820), (381, 51880), (508, 38910), (635, 31128), (762, 25940), (1016, 19455), (1270, 15564), (1297, 15240), (1524, 12970), (1905, 10376), (2540, 7782), (2594, 7620), (3048, 6485), (3810, 5188), (3891, 5080)]