19158016

素因数分解:

$2^{10}\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 44

約数和(自身を含む): 39130452

約数和(自身を除く): 19972436

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 353, 424, 512, 706, 848, 1024, 1412, 1696, 2824, 3392, 5648, 6784, 11296, 13568, 18709, 22592, 27136, 37418, 45184, 54272, 74836, 90368, 149672, 180736, 299344, 361472, 598688, 1197376, 2394752, 4789504, 9579008, 19158016]

約数ペア:

[(1, 19158016), (2, 9579008), (4, 4789504), (8, 2394752), (16, 1197376), (32, 598688), (53, 361472), (64, 299344), (106, 180736), (128, 149672), (212, 90368), (256, 74836), (353, 54272), (424, 45184), (512, 37418), (706, 27136), (848, 22592), (1024, 18709), (1412, 13568), (1696, 11296), (2824, 6784), (3392, 5648)]