20171023618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{18047}}^1$

素因数の和:18574

約数の個数: 32

約数和(自身を含む): 32399769600

約数和(自身を除く): 12228745982

約数列:

[1, 2, 19, 38, 67, 134, 439, 878, 1273, 2546, 8341, 16682, 18047, 29413, 36094, 58826, 342893, 558847, 685786, 1117694, 1209149, 2418298, 7922633, 15845266, 22973831, 45947662, 150530027, 301060054, 530816411, 1061632822, 10085511809, 20171023618]

約数ペア:

[(1, 20171023618), (2, 10085511809), (19, 1061632822), (38, 530816411), (67, 301060054), (134, 150530027), (439, 45947662), (878, 22973831), (1273, 15845266), (2546, 7922633), (8341, 2418298), (16682, 1209149), (18047, 1117694), (29413, 685786), (36094, 558847), (58826, 342893)]