18808212865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1\times {\mathrm{6977}}^1$

素因数の和:7681

約数の個数: 32

約数和(自身を含む): 24712168320

約数和(自身を除く): 5903955455

約数列:

[1, 5, 13, 65, 67, 335, 619, 871, 3095, 4355, 6977, 8047, 34885, 40235, 41473, 90701, 207365, 453505, 467459, 539149, 2337295, 2695745, 4318763, 6076967, 21593815, 30384835, 56143919, 280719595, 289357121, 1446785605, 3761642573, 18808212865]

約数ペア:

[(1, 18808212865), (5, 3761642573), (13, 1446785605), (65, 289357121), (67, 280719595), (335, 56143919), (619, 30384835), (871, 21593815), (3095, 6076967), (4355, 4318763), (6977, 2695745), (8047, 2337295), (34885, 539149), (40235, 467459), (41473, 453505), (90701, 207365)]