19340780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12241}}^1$

素因数の和:12329

約数の個数: 24

約数和(自身を含む): 41133120

約数和(自身を除く): 21792340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12241, 24482, 48964, 61205, 122410, 244820, 967039, 1934078, 3868156, 4835195, 9670390, 19340780]

約数ペア:

[(1, 19340780), (2, 9670390), (4, 4835195), (5, 3868156), (10, 1934078), (20, 967039), (79, 244820), (158, 122410), (316, 61205), (395, 48964), (790, 24482), (1580, 12241)]