2019913655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 2773094400

約数和(自身を除く): 753180745

約数列:

[1, 5, 19, 29, 31, 67, 95, 145, 155, 335, 353, 551, 589, 899, 1273, 1765, 1943, 2077, 2755, 2945, 4495, 6365, 6707, 9715, 10237, 10385, 10943, 17081, 23651, 33535, 36917, 39463, 51185, 54715, 60233, 85405, 118255, 184585, 194503, 197315, 207917, 301165, 317347, 449369, 685879, 733181, 972515, 1039585, 1144427, 1586735, 2246845, 3429395, 3665905, 5722135, 6029593, 13031701, 13930439, 21262249, 30147965, 65158505, 69652195, 106311245, 403982731, 2019913655]

約数ペア:

[(1, 2019913655), (5, 403982731), (19, 106311245), (29, 69652195), (31, 65158505), (67, 30147965), (95, 21262249), (145, 13930439), (155, 13031701), (335, 6029593), (353, 5722135), (551, 3665905), (589, 3429395), (899, 2246845), (1273, 1586735), (1765, 1144427), (1943, 1039585), (2077, 972515), (2755, 733181), (2945, 685879), (4495, 449369), (6365, 317347), (6707, 301165), (9715, 207917), (10237, 197315), (10385, 194503), (10943, 184585), (17081, 118255), (23651, 85405), (33535, 60233), (36917, 54715), (39463, 51185)]