19461328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71549}}^1$

素因数の和:71574

約数の個数: 20

約数和(自身を含む): 39924900

約数和(自身を除く): 20463572

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71549, 143098, 286196, 572392, 1144784, 1216333, 2432666, 4865332, 9730664, 19461328]

約数ペア:

[(1, 19461328), (2, 9730664), (4, 4865332), (8, 2432666), (16, 1216333), (17, 1144784), (34, 572392), (68, 286196), (136, 143098), (272, 71549)]