21982658

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18661}}^1$

素因数の和:18713

約数の個数: 16

約数和(自身を含む): 35831040

約数和(自身を除く): 13848382

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18661, 37322, 354559, 578491, 709118, 1156982, 10991329, 21982658]

約数ペア:

[(1, 21982658), (2, 10991329), (19, 1156982), (31, 709118), (38, 578491), (62, 354559), (589, 37322), (1178, 18661)]