18526156948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{264101}}^1$

素因数の和:264208

約数の個数: 48

約数和(自身を含む): 37270074240

約数和(自身を除く): 18743917292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3692, 5396, 17537, 35074, 70148, 264101, 528202, 1056404, 3433313, 5017919, 6866626, 10035838, 13733252, 18751171, 20071676, 37502342, 65232947, 75004684, 130465894, 243765223, 260931788, 356272249, 487530446, 712544498, 975060892, 1425088996, 4631539237, 9263078474, 18526156948]

約数ペア:

[(1, 18526156948), (2, 9263078474), (4, 4631539237), (13, 1425088996), (19, 975060892), (26, 712544498), (38, 487530446), (52, 356272249), (71, 260931788), (76, 243765223), (142, 130465894), (247, 75004684), (284, 65232947), (494, 37502342), (923, 20071676), (988, 18751171), (1349, 13733252), (1846, 10035838), (2698, 6866626), (3692, 5017919), (5396, 3433313), (17537, 1056404), (35074, 528202), (70148, 264101)]