19969424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73417}}^1$

素因数の和:73442

約数の個数: 20

約数和(自身を含む): 40967244

約数和(自身を除く): 20997820

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73417, 146834, 293668, 587336, 1174672, 1248089, 2496178, 4992356, 9984712, 19969424]

約数ペア:

[(1, 19969424), (2, 9984712), (4, 4992356), (8, 2496178), (16, 1248089), (17, 1174672), (34, 587336), (68, 293668), (136, 146834), (272, 73417)]