18974449

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 2314511

約数列:

[1, 13, 31, 197, 239, 403, 2561, 3107, 6107, 7409, 47083, 79391, 96317, 612079, 1459573, 18974449]

約数ペア:

[(1, 18974449), (13, 1459573), (31, 612079), (197, 96317), (239, 79391), (403, 47083), (2561, 7409), (3107, 6107)]