18812712

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 49610880

約数和(自身を除く): 30798168

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 173, 184, 197, 276, 346, 394, 519, 552, 591, 692, 788, 1038, 1182, 1384, 1576, 2076, 2364, 3979, 4152, 4531, 4728, 7958, 9062, 11937, 13593, 15916, 18124, 23874, 27186, 31832, 34081, 36248, 47748, 54372, 68162, 95496, 102243, 108744, 136324, 204486, 272648, 408972, 783863, 817944, 1567726, 2351589, 3135452, 4703178, 6270904, 9406356, 18812712]

約数ペア:

[(1, 18812712), (2, 9406356), (3, 6270904), (4, 4703178), (6, 3135452), (8, 2351589), (12, 1567726), (23, 817944), (24, 783863), (46, 408972), (69, 272648), (92, 204486), (138, 136324), (173, 108744), (184, 102243), (197, 95496), (276, 68162), (346, 54372), (394, 47748), (519, 36248), (552, 34081), (591, 31832), (692, 27186), (788, 23874), (1038, 18124), (1182, 15916), (1384, 13593), (1576, 11937), (2076, 9062), (2364, 7958), (3979, 4728), (4152, 4531)]