19805312

素因数分解:

$2^7\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19852288

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 359, 431, 718, 862, 1436, 1724, 2872, 3448, 5744, 6896, 11488, 13792, 22976, 27584, 45952, 55168, 154729, 309458, 618916, 1237832, 2475664, 4951328, 9902656, 19805312]

約数ペア:

[(1, 19805312), (2, 9902656), (4, 4951328), (8, 2475664), (16, 1237832), (32, 618916), (64, 309458), (128, 154729), (359, 55168), (431, 45952), (718, 27584), (862, 22976), (1436, 13792), (1724, 11488), (2872, 6896), (3448, 5744)]