19854050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20899}}^1$

素因数の和:20930

約数の個数: 24

約数和(自身を含む): 38874000

約数和(自身を除く): 19019950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20899, 41798, 104495, 208990, 397081, 522475, 794162, 1044950, 1985405, 3970810, 9927025, 19854050]

約数ペア:

[(1, 19854050), (2, 9927025), (5, 3970810), (10, 1985405), (19, 1044950), (25, 794162), (38, 522475), (50, 397081), (95, 208990), (190, 104495), (475, 41798), (950, 20899)]