18756114

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 42542976

約数和(自身を除く): 23786862

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 67, 74, 78, 97, 111, 134, 194, 201, 222, 291, 402, 481, 582, 871, 962, 1261, 1443, 1742, 2479, 2522, 2613, 2886, 3589, 3783, 4958, 5226, 6499, 7178, 7437, 7566, 10767, 12998, 14874, 19497, 21534, 32227, 38994, 46657, 64454, 84487, 93314, 96681, 139971, 168974, 193362, 240463, 253461, 279942, 480926, 506922, 721389, 1442778, 3126019, 6252038, 9378057, 18756114]

約数ペア:

[(1, 18756114), (2, 9378057), (3, 6252038), (6, 3126019), (13, 1442778), (26, 721389), (37, 506922), (39, 480926), (67, 279942), (74, 253461), (78, 240463), (97, 193362), (111, 168974), (134, 139971), (194, 96681), (201, 93314), (222, 84487), (291, 64454), (402, 46657), (481, 38994), (582, 32227), (871, 21534), (962, 19497), (1261, 14874), (1443, 12998), (1742, 10767), (2479, 7566), (2522, 7437), (2613, 7178), (2886, 6499), (3589, 5226), (3783, 4958)]