18096880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4813}}^1$

素因数の和:4873

約数の個数: 40

約数和(自身を含む): 42979392

約数和(自身を除く): 24882512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4813, 9626, 19252, 24065, 38504, 48130, 77008, 96260, 192520, 226211, 385040, 452422, 904844, 1131055, 1809688, 2262110, 3619376, 4524220, 9048440, 18096880]

約数ペア:

[(1, 18096880), (2, 9048440), (4, 4524220), (5, 3619376), (8, 2262110), (10, 1809688), (16, 1131055), (20, 904844), (40, 452422), (47, 385040), (80, 226211), (94, 192520), (188, 96260), (235, 77008), (376, 48130), (470, 38504), (752, 24065), (940, 19252), (1880, 9626), (3760, 4813)]