12977228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 26759040

約数和(自身を除く): 13781812

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 361, 418, 473, 722, 817, 836, 946, 1444, 1634, 1892, 3268, 3971, 6859, 7942, 8987, 13718, 15523, 15884, 17974, 27436, 31046, 35948, 62092, 75449, 150898, 170753, 294937, 301796, 341506, 589874, 683012, 1179748, 3244307, 6488614, 12977228]

約数ペア:

[(1, 12977228), (2, 6488614), (4, 3244307), (11, 1179748), (19, 683012), (22, 589874), (38, 341506), (43, 301796), (44, 294937), (76, 170753), (86, 150898), (172, 75449), (209, 62092), (361, 35948), (418, 31046), (473, 27436), (722, 17974), (817, 15884), (836, 15523), (946, 13718), (1444, 8987), (1634, 7942), (1892, 6859), (3268, 3971)]