19668618

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^2\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 36

約数和(自身を含む): 43546230

約数和(自身を除く): 23877612

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 389, 477, 778, 954, 1167, 2334, 2809, 3501, 5618, 7002, 8427, 16854, 20617, 25281, 41234, 50562, 61851, 123702, 185553, 371106, 1092701, 2185402, 3278103, 6556206, 9834309, 19668618]

約数ペア:

[(1, 19668618), (2, 9834309), (3, 6556206), (6, 3278103), (9, 2185402), (18, 1092701), (53, 371106), (106, 185553), (159, 123702), (318, 61851), (389, 50562), (477, 41234), (778, 25281), (954, 20617), (1167, 16854), (2334, 8427), (2809, 7002), (3501, 5618)]