19886968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60631}}^1$

素因数の和:60678

約数の個数: 16

約数和(自身を含む): 38198160

約数和(自身を除く): 18311192

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60631, 121262, 242524, 485048, 2485871, 4971742, 9943484, 19886968]

約数ペア:

[(1, 19886968), (2, 9943484), (4, 4971742), (8, 2485871), (41, 485048), (82, 242524), (164, 121262), (328, 60631)]