19183520

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2551}}^1$

素因数の和:2613

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 27119968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2551, 3760, 5102, 7520, 10204, 12755, 20408, 25510, 40816, 51020, 81632, 102040, 119897, 204080, 239794, 408160, 479588, 599485, 959176, 1198970, 1918352, 2397940, 3836704, 4795880, 9591760, 19183520]

約数ペア:

[(1, 19183520), (2, 9591760), (4, 4795880), (5, 3836704), (8, 2397940), (10, 1918352), (16, 1198970), (20, 959176), (32, 599485), (40, 479588), (47, 408160), (80, 239794), (94, 204080), (160, 119897), (188, 102040), (235, 81632), (376, 51020), (470, 40816), (752, 25510), (940, 20408), (1504, 12755), (1880, 10204), (2551, 7520), (3760, 5102)]