18411016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{839}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 37396800

約数和(自身を除く): 18985784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 839, 844, 1678, 1688, 2743, 3356, 5486, 6712, 10907, 10972, 21814, 21944, 43628, 87256, 177029, 354058, 708116, 1416232, 2301377, 4602754, 9205508, 18411016]

約数ペア:

[(1, 18411016), (2, 9205508), (4, 4602754), (8, 2301377), (13, 1416232), (26, 708116), (52, 354058), (104, 177029), (211, 87256), (422, 43628), (839, 21944), (844, 21814), (1678, 10972), (1688, 10907), (2743, 6712), (3356, 5486)]