1999906568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1667}}^1\times {\mathrm{13633}}^1$

素因数の和:15317

約数の個数: 32

約数和(自身を含む): 4093472160

約数和(自身を除く): 2093565592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1667, 3334, 6668, 13336, 13633, 18337, 27266, 36674, 54532, 73348, 109064, 146696, 149963, 299926, 599852, 1199704, 22726211, 45452422, 90904844, 181809688, 249988321, 499976642, 999953284, 1999906568]

約数ペア:

[(1, 1999906568), (2, 999953284), (4, 499976642), (8, 249988321), (11, 181809688), (22, 90904844), (44, 45452422), (88, 22726211), (1667, 1199704), (3334, 599852), (6668, 299926), (13336, 149963), (13633, 146696), (18337, 109064), (27266, 73348), (36674, 54532)]