19504304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71707}}^1$

素因数の和:71732

約数の個数: 20

約数和(自身を含む): 40013064

約数和(自身を除く): 20508760

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71707, 143414, 286828, 573656, 1147312, 1219019, 2438038, 4876076, 9752152, 19504304]

約数ペア:

[(1, 19504304), (2, 9752152), (4, 4876076), (8, 2438038), (16, 1219019), (17, 1147312), (34, 573656), (68, 286828), (136, 143414), (272, 71707)]