19619728

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{1913}}^1$

素因数の和:2562

約数の個数: 20

約数和(自身を含む): 38092428

約数和(自身を除く): 18472700

約数列:

[1, 2, 4, 8, 16, 641, 1282, 1913, 2564, 3826, 5128, 7652, 10256, 15304, 30608, 1226233, 2452466, 4904932, 9809864, 19619728]

約数ペア:

[(1, 19619728), (2, 9809864), (4, 4904932), (8, 2452466), (16, 1226233), (641, 30608), (1282, 15304), (1913, 10256), (2564, 7652), (3826, 5128)]