18129358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 12578354

約数列:

[1, 2, 13, 26, 31, 62, 83, 166, 271, 403, 542, 806, 1079, 2158, 2573, 3523, 5146, 7046, 8401, 16802, 22493, 33449, 44986, 66898, 109213, 218426, 292409, 584818, 697283, 1394566, 9064679, 18129358]

約数ペア:

[(1, 18129358), (2, 9064679), (13, 1394566), (26, 697283), (31, 584818), (62, 292409), (83, 218426), (166, 109213), (271, 66898), (403, 44986), (542, 33449), (806, 22493), (1079, 16802), (2158, 8401), (2573, 7046), (3523, 5146)]