19378768

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7001}}^1$

素因数の和:7182

約数の個数: 20

約数和(自身を含む): 37768788

約数和(自身を除く): 18390020

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7001, 14002, 28004, 56008, 112016, 1211173, 2422346, 4844692, 9689384, 19378768]

約数ペア:

[(1, 19378768), (2, 9689384), (4, 4844692), (8, 2422346), (16, 1211173), (173, 112016), (346, 56008), (692, 28004), (1384, 14002), (2768, 7001)]