20187145418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{21503}}^1$

素因数の和:21962

約数の個数: 32

約数和(自身を含む): 33381089280

約数和(自身を除く): 13193943862

約数列:

[1, 2, 11, 22, 139, 278, 307, 614, 1529, 3058, 3377, 6754, 21503, 42673, 43006, 85346, 236533, 469403, 473066, 938806, 2988917, 5977834, 6601421, 13202842, 32878087, 65756174, 72615631, 145231262, 917597519, 1835195038, 10093572709, 20187145418]

約数ペア:

[(1, 20187145418), (2, 10093572709), (11, 1835195038), (22, 917597519), (139, 145231262), (278, 72615631), (307, 65756174), (614, 32878087), (1529, 13202842), (3058, 6601421), (3377, 5977834), (6754, 2988917), (21503, 938806), (42673, 473066), (43006, 469403), (85346, 236533)]