19693480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28961}}^1$

素因数の和:28989

約数の個数: 32

約数和(自身を含む): 46918440

約数和(自身を除く): 27224960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28961, 57922, 115844, 144805, 231688, 289610, 492337, 579220, 984674, 1158440, 1969348, 2461685, 3938696, 4923370, 9846740, 19693480]

約数ペア:

[(1, 19693480), (2, 9846740), (4, 4923370), (5, 3938696), (8, 2461685), (10, 1969348), (17, 1158440), (20, 984674), (34, 579220), (40, 492337), (68, 289610), (85, 231688), (136, 144805), (170, 115844), (340, 57922), (680, 28961)]