19039520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6263}}^1$

素因数の和:6297

約数の個数: 48

約数和(自身を含む): 47355840

約数和(自身を除く): 28316320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6263, 12526, 25052, 31315, 50104, 62630, 100208, 118997, 125260, 200416, 237994, 250520, 475988, 501040, 594985, 951976, 1002080, 1189970, 1903952, 2379940, 3807904, 4759880, 9519760, 19039520]

約数ペア:

[(1, 19039520), (2, 9519760), (4, 4759880), (5, 3807904), (8, 2379940), (10, 1903952), (16, 1189970), (19, 1002080), (20, 951976), (32, 594985), (38, 501040), (40, 475988), (76, 250520), (80, 237994), (95, 200416), (152, 125260), (160, 118997), (190, 100208), (304, 62630), (380, 50104), (608, 31315), (760, 25052), (1520, 12526), (3040, 6263)]