19709932

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 36

約数和(自身を含む): 38290168

約数和(自身を除く): 18580236

約数列:

[1, 2, 4, 11, 22, 44, 121, 193, 211, 242, 386, 422, 484, 772, 844, 2123, 2321, 4246, 4642, 8492, 9284, 23353, 25531, 40723, 46706, 51062, 81446, 93412, 102124, 162892, 447953, 895906, 1791812, 4927483, 9854966, 19709932]

約数ペア:

[(1, 19709932), (2, 9854966), (4, 4927483), (11, 1791812), (22, 895906), (44, 447953), (121, 162892), (193, 102124), (211, 93412), (242, 81446), (386, 51062), (422, 46706), (484, 40723), (772, 25531), (844, 23353), (2123, 9284), (2321, 8492), (4246, 4642)]