18735752

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 40422720

約数和(自身を除く): 21686968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2131, 2198, 4262, 4396, 8524, 8792, 14917, 17048, 29834, 59668, 119336, 334567, 669134, 1338268, 2341969, 2676536, 4683938, 9367876, 18735752]

約数ペア:

[(1, 18735752), (2, 9367876), (4, 4683938), (7, 2676536), (8, 2341969), (14, 1338268), (28, 669134), (56, 334567), (157, 119336), (314, 59668), (628, 29834), (1099, 17048), (1256, 14917), (2131, 8792), (2198, 8524), (4262, 4396)]