18489328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8113

約数の個数: 40

約数和(自身を含む): 42091056

約数和(自身を除く): 23601728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8081, 16162, 32324, 64648, 88891, 105053, 129296, 177782, 210106, 355564, 420212, 711128, 840424, 1155583, 1422256, 1680848, 2311166, 4622332, 9244664, 18489328]

約数ペア:

[(1, 18489328), (2, 9244664), (4, 4622332), (8, 2311166), (11, 1680848), (13, 1422256), (16, 1155583), (22, 840424), (26, 711128), (44, 420212), (52, 355564), (88, 210106), (104, 177782), (143, 129296), (176, 105053), (208, 88891), (286, 64648), (572, 32324), (1144, 16162), (2288, 8081)]