18221256

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2609}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 49877100

約数和(自身を除く): 31655844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2609, 3492, 5218, 6984, 7827, 10436, 15654, 20872, 23481, 31308, 46962, 62616, 93924, 187848, 253073, 506146, 759219, 1012292, 1518438, 2024584, 2277657, 3036876, 4555314, 6073752, 9110628, 18221256]

約数ペア:

[(1, 18221256), (2, 9110628), (3, 6073752), (4, 4555314), (6, 3036876), (8, 2277657), (9, 2024584), (12, 1518438), (18, 1012292), (24, 759219), (36, 506146), (72, 253073), (97, 187848), (194, 93924), (291, 62616), (388, 46962), (582, 31308), (776, 23481), (873, 20872), (1164, 15654), (1746, 10436), (2328, 7827), (2609, 6984), (3492, 5218)]