19953219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{46511}}^1$

素因数の和:46538

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 11302845

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 46511, 139533, 511621, 604643, 1534863, 1813929, 6651073, 19953219]

約数ペア:

[(1, 19953219), (3, 6651073), (11, 1813929), (13, 1534863), (33, 604643), (39, 511621), (143, 139533), (429, 46511)]