19842086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12703}}^1$

素因数の和:12787

約数の個数: 16

約数和(自身を含む): 32928768

約数和(自身を除く): 13086682

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12703, 25406, 139733, 279466, 901913, 1803826, 9921043, 19842086]

約数ペア:

[(1, 19842086), (2, 9921043), (11, 1803826), (22, 901913), (71, 279466), (142, 139733), (781, 25406), (1562, 12703)]