18924016

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 37775360

約数和(自身を除く): 18851344

約数列:

[1, 2, 4, 8, 16, 67, 127, 134, 139, 254, 268, 278, 508, 536, 556, 1016, 1072, 1112, 2032, 2224, 8509, 9313, 17018, 17653, 18626, 34036, 35306, 37252, 68072, 70612, 74504, 136144, 141224, 149008, 282448, 1182751, 2365502, 4731004, 9462008, 18924016]

約数ペア:

[(1, 18924016), (2, 9462008), (4, 4731004), (8, 2365502), (16, 1182751), (67, 282448), (127, 149008), (134, 141224), (139, 136144), (254, 74504), (268, 70612), (278, 68072), (508, 37252), (536, 35306), (556, 34036), (1016, 18626), (1072, 17653), (1112, 17018), (2032, 9313), (2224, 8509)]