19792975490

素因数分解:

$2^1\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{808867}}^1$

素因数の和:811321

約数の個数: 16

約数和(自身を含む): 35641959552

約数和(自身を除く): 15848984062

約数列:

[1, 2, 5, 10, 2447, 4894, 12235, 24470, 808867, 1617734, 4044335, 8088670, 1979297549, 3958595098, 9896487745, 19792975490]

約数ペア:

[(1, 19792975490), (2, 9896487745), (5, 3958595098), (10, 1979297549), (2447, 8088670), (4894, 4044335), (12235, 1617734), (24470, 808867)]