19726047

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10487}}^1$

素因数の和:10523

約数の個数: 24

約数和(自身を含む): 32722560

約数和(自身を除く): 12996513

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10487, 31461, 94383, 115357, 199253, 346071, 597759, 1038213, 1793277, 2191783, 6575349, 19726047]

約数ペア:

[(1, 19726047), (3, 6575349), (9, 2191783), (11, 1793277), (19, 1038213), (33, 597759), (57, 346071), (99, 199253), (171, 115357), (209, 94383), (627, 31461), (1881, 10487)]