18377008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 39091248

約数和(自身を除く): 20714240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 1667, 2756, 3334, 5512, 6668, 11024, 13336, 21671, 26672, 43342, 86684, 88351, 173368, 176702, 346736, 353404, 706808, 1148563, 1413616, 2297126, 4594252, 9188504, 18377008]

約数ペア:

[(1, 18377008), (2, 9188504), (4, 4594252), (8, 2297126), (13, 1413616), (16, 1148563), (26, 706808), (52, 353404), (53, 346736), (104, 176702), (106, 173368), (208, 88351), (212, 86684), (424, 43342), (689, 26672), (848, 21671), (1378, 13336), (1667, 11024), (2756, 6668), (3334, 5512)]