19013480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27961}}^1$

素因数の和:27989

約数の個数: 32

約数和(自身を含む): 45298440

約数和(自身を除く): 26284960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27961, 55922, 111844, 139805, 223688, 279610, 475337, 559220, 950674, 1118440, 1901348, 2376685, 3802696, 4753370, 9506740, 19013480]

約数ペア:

[(1, 19013480), (2, 9506740), (4, 4753370), (5, 3802696), (8, 2376685), (10, 1901348), (17, 1118440), (20, 950674), (34, 559220), (40, 475337), (68, 279610), (85, 223688), (136, 139805), (170, 111844), (340, 55922), (680, 27961)]