19875710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1433}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 38201760

約数和(自身を除く): 18326050

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 1433, 2774, 2866, 6935, 7165, 13870, 14330, 27227, 54454, 104609, 136135, 209218, 272270, 523045, 1046090, 1987571, 3975142, 9937855, 19875710]

約数ペア:

[(1, 19875710), (2, 9937855), (5, 3975142), (10, 1987571), (19, 1046090), (38, 523045), (73, 272270), (95, 209218), (146, 136135), (190, 104609), (365, 54454), (730, 27227), (1387, 14330), (1433, 13870), (2774, 7165), (2866, 6935)]