19870096

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26423}}^1$

素因数の和:26478

約数の個数: 20

約数和(自身を含む): 39318912

約数和(自身を除く): 19448816

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26423, 52846, 105692, 211384, 422768, 1241881, 2483762, 4967524, 9935048, 19870096]

約数ペア:

[(1, 19870096), (2, 9935048), (4, 4967524), (8, 2483762), (16, 1241881), (47, 422768), (94, 211384), (188, 105692), (376, 52846), (752, 26423)]