20173940802

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1371817}}^1$

素因数の和:1371887

約数の個数: 48

約数和(自身を含む): 47080793760

約数和(自身を除く): 26906852958

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2451, 4902, 7353, 14706, 1371817, 2743634, 4115451, 8230902, 12346353, 24692706, 26064523, 52129046, 58988131, 78193569, 117976262, 156387138, 176964393, 234580707, 353928786, 469161414, 530893179, 1061786358, 1120774489, 2241548978, 3362323467, 6724646934, 10086970401, 20173940802]

約数ペア:

[(1, 20173940802), (2, 10086970401), (3, 6724646934), (6, 3362323467), (9, 2241548978), (18, 1120774489), (19, 1061786358), (38, 530893179), (43, 469161414), (57, 353928786), (86, 234580707), (114, 176964393), (129, 156387138), (171, 117976262), (258, 78193569), (342, 58988131), (387, 52129046), (774, 26064523), (817, 24692706), (1634, 12346353), (2451, 8230902), (4902, 4115451), (7353, 2743634), (14706, 1371817)]