18225614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13223986

約数列:

[1, 2, 11, 22, 23, 46, 181, 199, 253, 362, 398, 506, 1991, 2189, 3982, 4163, 4378, 4577, 8326, 9154, 36019, 45793, 50347, 72038, 91586, 100694, 396209, 792418, 828437, 1656874, 9112807, 18225614]

約数ペア:

[(1, 18225614), (2, 9112807), (11, 1656874), (22, 828437), (23, 792418), (46, 396209), (181, 100694), (199, 91586), (253, 72038), (362, 50347), (398, 45793), (506, 36019), (1991, 9154), (2189, 8326), (3982, 4577), (4163, 4378)]