19856812

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 15536084

約数列:

[1, 2, 4, 113, 197, 223, 226, 394, 446, 452, 788, 892, 22261, 25199, 43931, 44522, 50398, 87862, 89044, 100796, 175724, 4964203, 9928406, 19856812]

約数ペア:

[(1, 19856812), (2, 9928406), (4, 4964203), (113, 175724), (197, 100796), (223, 89044), (226, 87862), (394, 50398), (446, 44522), (452, 43931), (788, 25199), (892, 22261)]