18642302

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 36443520

約数和(自身を除く): 17801218

約数列:

[1, 2, 7, 14, 17, 29, 34, 37, 58, 73, 74, 119, 146, 203, 238, 259, 406, 493, 511, 518, 629, 986, 1022, 1073, 1241, 1258, 2117, 2146, 2482, 2701, 3451, 4234, 4403, 5402, 6902, 7511, 8687, 8806, 14819, 15022, 17374, 18241, 18907, 29638, 35989, 36482, 37814, 45917, 71978, 78329, 91834, 127687, 156658, 251923, 255374, 321419, 503846, 548303, 642838, 1096606, 1331593, 2663186, 9321151, 18642302]

約数ペア:

[(1, 18642302), (2, 9321151), (7, 2663186), (14, 1331593), (17, 1096606), (29, 642838), (34, 548303), (37, 503846), (58, 321419), (73, 255374), (74, 251923), (119, 156658), (146, 127687), (203, 91834), (238, 78329), (259, 71978), (406, 45917), (493, 37814), (511, 36482), (518, 35989), (629, 29638), (986, 18907), (1022, 18241), (1073, 17374), (1241, 15022), (1258, 14819), (2117, 8806), (2146, 8687), (2482, 7511), (2701, 6902), (3451, 5402), (4234, 4403)]