12659890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 12378830

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 2897, 4370, 5794, 14485, 28970, 55043, 66631, 110086, 133262, 275215, 333155, 550430, 666310, 1265989, 2531978, 6329945, 12659890]

約数ペア:

[(1, 12659890), (2, 6329945), (5, 2531978), (10, 1265989), (19, 666310), (23, 550430), (38, 333155), (46, 275215), (95, 133262), (115, 110086), (190, 66631), (230, 55043), (437, 28970), (874, 14485), (2185, 5794), (2897, 4370)]