19739307

素因数分解:

$3^1\times 7^3\times {\mathrm{19183}}^1$

素因数の和:19207

約数の個数: 16

約数和(自身を含む): 30694400

約数和(自身を除く): 10955093

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19183, 57549, 134281, 402843, 939967, 2819901, 6579769, 19739307]

約数ペア:

[(1, 19739307), (3, 6579769), (7, 2819901), (21, 939967), (49, 402843), (147, 134281), (343, 57549), (1029, 19183)]