19817744

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{14923}}^1$

素因数の和:15014

約数の個数: 20

約数和(自身を含む): 38862096

約数和(自身を除く): 19044352

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 14923, 29846, 59692, 119384, 238768, 1238609, 2477218, 4954436, 9908872, 19817744]

約数ペア:

[(1, 19817744), (2, 9908872), (4, 4954436), (8, 2477218), (16, 1238609), (83, 238768), (166, 119384), (332, 59692), (664, 29846), (1328, 14923)]