18511242

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 38208192

約数和(自身を除く): 19696950

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 457, 471, 914, 942, 1371, 2742, 6751, 13502, 19651, 20253, 39302, 40506, 58953, 71749, 117906, 143498, 215247, 430494, 3085207, 6170414, 9255621, 18511242]

約数ペア:

[(1, 18511242), (2, 9255621), (3, 6170414), (6, 3085207), (43, 430494), (86, 215247), (129, 143498), (157, 117906), (258, 71749), (314, 58953), (457, 40506), (471, 39302), (914, 20253), (942, 19651), (1371, 13502), (2742, 6751)]