19475336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 39123000

約数和(自身を除く): 19647664

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 1609, 3026, 3218, 6052, 6436, 12104, 12872, 27353, 54706, 109412, 143201, 218824, 286402, 572804, 1145608, 2434417, 4868834, 9737668, 19475336]

約数ペア:

[(1, 19475336), (2, 9737668), (4, 4868834), (8, 2434417), (17, 1145608), (34, 572804), (68, 286402), (89, 218824), (136, 143201), (178, 109412), (356, 54706), (712, 27353), (1513, 12872), (1609, 12104), (3026, 6436), (3218, 6052)]