18510804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 51800840

約数和(自身を除く): 33290036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1069, 1332, 1443, 1924, 2138, 2886, 3207, 4276, 4329, 5772, 6414, 8658, 9621, 12828, 13897, 17316, 19242, 27794, 38484, 39553, 41691, 55588, 79106, 83382, 118659, 125073, 158212, 166764, 237318, 250146, 355977, 474636, 500292, 514189, 711954, 1028378, 1423908, 1542567, 2056756, 3085134, 4627701, 6170268, 9255402, 18510804]

約数ペア:

[(1, 18510804), (2, 9255402), (3, 6170268), (4, 4627701), (6, 3085134), (9, 2056756), (12, 1542567), (13, 1423908), (18, 1028378), (26, 711954), (36, 514189), (37, 500292), (39, 474636), (52, 355977), (74, 250146), (78, 237318), (111, 166764), (117, 158212), (148, 125073), (156, 118659), (222, 83382), (234, 79106), (333, 55588), (444, 41691), (468, 39553), (481, 38484), (666, 27794), (962, 19242), (1069, 17316), (1332, 13897), (1443, 12828), (1924, 9621), (2138, 8658), (2886, 6414), (3207, 5772), (4276, 4329)]