18970580135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1\times {\mathrm{1291}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 24690120000

約数和(自身を除く): 5719539865

約数列:

[1, 5, 13, 65, 181, 905, 1249, 1291, 2353, 6245, 6455, 11765, 16237, 16783, 81185, 83915, 226069, 233671, 1130345, 1168355, 1612459, 2938897, 3037723, 8062295, 14694485, 15188615, 20961967, 104809835, 291855079, 1459275395, 3794116027, 18970580135]

約数ペア:

[(1, 18970580135), (5, 3794116027), (13, 1459275395), (65, 291855079), (181, 104809835), (905, 20961967), (1249, 15188615), (1291, 14694485), (2353, 8062295), (6245, 3037723), (6455, 2938897), (11765, 1612459), (16237, 1168355), (16783, 1130345), (81185, 233671), (83915, 226069)]