19445660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 26065540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2579, 3770, 5158, 7540, 10316, 12895, 25790, 33527, 51580, 67054, 74791, 134108, 149582, 167635, 299164, 335270, 373955, 670540, 747910, 972283, 1495820, 1944566, 3889132, 4861415, 9722830, 19445660]

約数ペア:

[(1, 19445660), (2, 9722830), (4, 4861415), (5, 3889132), (10, 1944566), (13, 1495820), (20, 972283), (26, 747910), (29, 670540), (52, 373955), (58, 335270), (65, 299164), (116, 167635), (130, 149582), (145, 134108), (260, 74791), (290, 67054), (377, 51580), (580, 33527), (754, 25790), (1508, 12895), (1885, 10316), (2579, 7540), (3770, 5158)]