19003888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 38845728

約数和(自身を除く): 19841840

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 113, 184, 226, 368, 452, 457, 904, 914, 1808, 1828, 2599, 3656, 5198, 7312, 10396, 10511, 20792, 21022, 41584, 42044, 51641, 84088, 103282, 168176, 206564, 413128, 826256, 1187743, 2375486, 4750972, 9501944, 19003888]

約数ペア:

[(1, 19003888), (2, 9501944), (4, 4750972), (8, 2375486), (16, 1187743), (23, 826256), (46, 413128), (92, 206564), (113, 168176), (184, 103282), (226, 84088), (368, 51641), (452, 42044), (457, 41584), (904, 21022), (914, 20792), (1808, 10511), (1828, 10396), (2599, 7312), (3656, 5198)]