19990384

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15053}}^1$

素因数の和:15144

約数の個数: 20

約数和(自身を含む): 39200616

約数和(自身を除く): 19210232

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15053, 30106, 60212, 120424, 240848, 1249399, 2498798, 4997596, 9995192, 19990384]

約数ペア:

[(1, 19990384), (2, 9995192), (4, 4997596), (8, 2498798), (16, 1249399), (83, 240848), (166, 120424), (332, 60212), (664, 30106), (1328, 15053)]