18869110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 17963210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 839, 865, 1678, 1730, 2249, 4195, 4498, 8390, 10907, 11245, 21814, 22490, 54535, 109070, 145147, 290294, 725735, 1451470, 1886911, 3773822, 9434555, 18869110]

約数ペア:

[(1, 18869110), (2, 9434555), (5, 3773822), (10, 1886911), (13, 1451470), (26, 725735), (65, 290294), (130, 145147), (173, 109070), (346, 54535), (839, 22490), (865, 21814), (1678, 11245), (1730, 10907), (2249, 8390), (4195, 4498)]