19117948

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 35199360

約数和(自身を除く): 16081412

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 2909, 3286, 5818, 6572, 11636, 90179, 154177, 180358, 308354, 360716, 616708, 4779487, 9558974, 19117948]

約数ペア:

[(1, 19117948), (2, 9558974), (4, 4779487), (31, 616708), (53, 360716), (62, 308354), (106, 180358), (124, 154177), (212, 90179), (1643, 11636), (2909, 6572), (3286, 5818)]