19273984

素因数分解:

$2^8\times {\mathrm{75289}}^1$

素因数の和:75305

約数の個数: 18

約数和(自身を含む): 38473190

約数和(自身を除く): 19199206

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 75289, 150578, 301156, 602312, 1204624, 2409248, 4818496, 9636992, 19273984]

約数ペア:

[(1, 19273984), (2, 9636992), (4, 4818496), (8, 2409248), (16, 1204624), (32, 602312), (64, 301156), (128, 150578), (256, 75289)]