19798570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9473}}^1$

素因数の和:9510

約数の個数: 32

約数和(自身を含む): 40927680

約数和(自身を除く): 21129110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9473, 18946, 47365, 94730, 104203, 179987, 208406, 359974, 521015, 899935, 1042030, 1799870, 1979857, 3959714, 9899285, 19798570]

約数ペア:

[(1, 19798570), (2, 9899285), (5, 3959714), (10, 1979857), (11, 1799870), (19, 1042030), (22, 899935), (38, 521015), (55, 359974), (95, 208406), (110, 179987), (190, 104203), (209, 94730), (418, 47365), (1045, 18946), (2090, 9473)]