19982032

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7757}}^1$

素因数の和:7795

約数の個数: 40

約数和(自身を含む): 46175616

約数和(自身を除く): 26193584

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7757, 15514, 31028, 54299, 62056, 108598, 124112, 178411, 217196, 356822, 434392, 713644, 868784, 1248877, 1427288, 2497754, 2854576, 4995508, 9991016, 19982032]

約数ペア:

[(1, 19982032), (2, 9991016), (4, 4995508), (7, 2854576), (8, 2497754), (14, 1427288), (16, 1248877), (23, 868784), (28, 713644), (46, 434392), (56, 356822), (92, 217196), (112, 178411), (161, 124112), (184, 108598), (322, 62056), (368, 54299), (644, 31028), (1288, 15514), (2576, 7757)]