19919822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16301}}^1$

素因数の和:16363

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 12945010

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 16301, 32602, 211913, 423826, 766147, 1532294, 9959911, 19919822]

約数ペア:

[(1, 19919822), (2, 9959911), (13, 1532294), (26, 766147), (47, 423826), (94, 211913), (611, 32602), (1222, 16301)]