19875201

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{463}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 27283200

約数和(自身を除く): 7407999

約数列:

[1, 3, 41, 123, 349, 463, 1047, 1389, 14309, 18983, 42927, 56949, 161587, 484761, 6625067, 19875201]

約数ペア:

[(1, 19875201), (3, 6625067), (41, 484761), (123, 161587), (349, 56949), (463, 42927), (1047, 18983), (1389, 14309)]