19854976

素因数分解:

$2^7\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 39819780

約数和(自身を除く): 19964804

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 362, 724, 857, 1448, 1714, 2896, 3428, 5792, 6856, 11584, 13712, 23168, 27424, 54848, 109696, 155117, 310234, 620468, 1240936, 2481872, 4963744, 9927488, 19854976]

約数ペア:

[(1, 19854976), (2, 9927488), (4, 4963744), (8, 2481872), (16, 1240936), (32, 620468), (64, 310234), (128, 155117), (181, 109696), (362, 54848), (724, 27424), (857, 23168), (1448, 13712), (1714, 11584), (2896, 6856), (3428, 5792)]