18491949

素因数分解:

$3^3\times 7^1\times {\mathrm{97841}}^1$

素因数の和:97857

約数の個数: 16

約数和(自身を含む): 31309440

約数和(自身を除く): 12817491

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 97841, 293523, 684887, 880569, 2054661, 2641707, 6163983, 18491949]

約数ペア:

[(1, 18491949), (3, 6163983), (7, 2641707), (9, 2054661), (21, 880569), (27, 684887), (63, 293523), (189, 97841)]