19703560

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2579}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 24878840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2579, 3820, 5158, 7640, 10316, 12895, 20632, 25790, 51580, 103160, 492589, 985178, 1970356, 2462945, 3940712, 4925890, 9851780, 19703560]

約数ペア:

[(1, 19703560), (2, 9851780), (4, 4925890), (5, 3940712), (8, 2462945), (10, 1970356), (20, 985178), (40, 492589), (191, 103160), (382, 51580), (764, 25790), (955, 20632), (1528, 12895), (1910, 10316), (2579, 7640), (3820, 5158)]