18805930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13151}}^1$

素因数の和:13182

約数の個数: 32

約数和(自身を含む): 39771648

約数和(自身を除く): 20965718

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13151, 26302, 65755, 131510, 144661, 170963, 289322, 341926, 723305, 854815, 1446610, 1709630, 1880593, 3761186, 9402965, 18805930]

約数ペア:

[(1, 18805930), (2, 9402965), (5, 3761186), (10, 1880593), (11, 1709630), (13, 1446610), (22, 854815), (26, 723305), (55, 341926), (65, 289322), (110, 170963), (130, 144661), (143, 131510), (286, 65755), (715, 26302), (1430, 13151)]