19644860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 26350180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3041, 3230, 6082, 6460, 12164, 15205, 30410, 51697, 57779, 60820, 103394, 115558, 206788, 231116, 258485, 288895, 516970, 577790, 982243, 1033940, 1155580, 1964486, 3928972, 4911215, 9822430, 19644860]

約数ペア:

[(1, 19644860), (2, 9822430), (4, 4911215), (5, 3928972), (10, 1964486), (17, 1155580), (19, 1033940), (20, 982243), (34, 577790), (38, 516970), (68, 288895), (76, 258485), (85, 231116), (95, 206788), (170, 115558), (190, 103394), (323, 60820), (340, 57779), (380, 51697), (646, 30410), (1292, 15205), (1615, 12164), (3041, 6460), (3230, 6082)]