18778994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 13928590

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1013, 1426, 2026, 9269, 13169, 18538, 23299, 26338, 31403, 46598, 62806, 302887, 408239, 605774, 722269, 816478, 1444538, 9389497, 18778994]

約数ペア:

[(1, 18778994), (2, 9389497), (13, 1444538), (23, 816478), (26, 722269), (31, 605774), (46, 408239), (62, 302887), (299, 62806), (403, 46598), (598, 31403), (713, 26338), (806, 23299), (1013, 18538), (1426, 13169), (2026, 9269)]