18990906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1723}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 41707008

約数和(自身を除く): 22716102

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 167, 334, 501, 1002, 1723, 1837, 3446, 3674, 5169, 5511, 10338, 11022, 18953, 37906, 56859, 113718, 287741, 575482, 863223, 1726446, 3165151, 6330302, 9495453, 18990906]

約数ペア:

[(1, 18990906), (2, 9495453), (3, 6330302), (6, 3165151), (11, 1726446), (22, 863223), (33, 575482), (66, 287741), (167, 113718), (334, 56859), (501, 37906), (1002, 18953), (1723, 11022), (1837, 10338), (3446, 5511), (3674, 5169)]