19983160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29387}}^1$

素因数の和:29415

約数の個数: 32

約数和(自身を含む): 47608560

約数和(自身を除く): 27625400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29387, 58774, 117548, 146935, 235096, 293870, 499579, 587740, 999158, 1175480, 1998316, 2497895, 3996632, 4995790, 9991580, 19983160]

約数ペア:

[(1, 19983160), (2, 9991580), (4, 4995790), (5, 3996632), (8, 2497895), (10, 1998316), (17, 1175480), (20, 999158), (34, 587740), (40, 499579), (68, 293870), (85, 235096), (136, 146935), (170, 117548), (340, 58774), (680, 29387)]