19730776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{983}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 40088160

約数和(自身を除く): 20357384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 983, 1544, 1966, 2509, 3932, 5018, 7864, 10036, 12779, 20072, 25558, 51116, 102232, 189719, 379438, 758876, 1517752, 2466347, 4932694, 9865388, 19730776]

約数ペア:

[(1, 19730776), (2, 9865388), (4, 4932694), (8, 2466347), (13, 1517752), (26, 758876), (52, 379438), (104, 189719), (193, 102232), (386, 51116), (772, 25558), (983, 20072), (1544, 12779), (1966, 10036), (2509, 7864), (3932, 5018)]