19854850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13693}}^1$

素因数の和:13734

約数の個数: 24

約数和(自身を含む): 38206260

約数和(自身を除く): 18351410

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13693, 27386, 68465, 136930, 342325, 397097, 684650, 794194, 1985485, 3970970, 9927425, 19854850]

約数ペア:

[(1, 19854850), (2, 9927425), (5, 3970970), (10, 1985485), (25, 794194), (29, 684650), (50, 397097), (58, 342325), (145, 136930), (290, 68465), (725, 27386), (1450, 13693)]