18902188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 17869652

約数列:

[1, 2, 4, 19, 31, 38, 62, 71, 76, 113, 124, 142, 226, 284, 452, 589, 1178, 1349, 2147, 2201, 2356, 2698, 3503, 4294, 4402, 5396, 7006, 8023, 8588, 8804, 14012, 16046, 32092, 41819, 66557, 83638, 133114, 152437, 167276, 248713, 266228, 304874, 497426, 609748, 994852, 4725547, 9451094, 18902188]

約数ペア:

[(1, 18902188), (2, 9451094), (4, 4725547), (19, 994852), (31, 609748), (38, 497426), (62, 304874), (71, 266228), (76, 248713), (113, 167276), (124, 152437), (142, 133114), (226, 83638), (284, 66557), (452, 41819), (589, 32092), (1178, 16046), (1349, 14012), (2147, 8804), (2201, 8588), (2356, 8023), (2698, 7006), (3503, 5396), (4294, 4402)]