12905902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1523}}^1$

素因数の和:1767

約数の個数: 16

約数和(自身を含む): 20482560

約数和(自身を除く): 7576658

約数列:

[1, 2, 19, 38, 223, 446, 1523, 3046, 4237, 8474, 28937, 57874, 339629, 679258, 6452951, 12905902]

約数ペア:

[(1, 12905902), (2, 6452951), (19, 679258), (38, 339629), (223, 57874), (446, 28937), (1523, 8474), (3046, 4237)]