18570032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1317

約数の個数: 40

約数和(自身を含む): 39309984

約数和(自身を除く): 20739952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1223, 1898, 2446, 3796, 4892, 7592, 9784, 15184, 15899, 19568, 31798, 63596, 89279, 127192, 178558, 254384, 357116, 714232, 1160627, 1428464, 2321254, 4642508, 9285016, 18570032]

約数ペア:

[(1, 18570032), (2, 9285016), (4, 4642508), (8, 2321254), (13, 1428464), (16, 1160627), (26, 714232), (52, 357116), (73, 254384), (104, 178558), (146, 127192), (208, 89279), (292, 63596), (584, 31798), (949, 19568), (1168, 15899), (1223, 15184), (1898, 9784), (2446, 7592), (3796, 4892)]