19991116

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15473}}^1$

素因数の和:15513

約数の個数: 24

約数和(自身を含む): 38994480

約数和(自身を除く): 19003364

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15473, 30946, 61892, 263041, 293987, 526082, 587974, 1052164, 1175948, 4997779, 9995558, 19991116]

約数ペア:

[(1, 19991116), (2, 9995558), (4, 4997779), (17, 1175948), (19, 1052164), (34, 587974), (38, 526082), (68, 293987), (76, 263041), (323, 61892), (646, 30946), (1292, 15473)]