18806912

素因数分解:

$2^7\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 37663500

約数和(自身を除く): 18856588

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 349, 421, 698, 842, 1396, 1684, 2792, 3368, 5584, 6736, 11168, 13472, 22336, 26944, 44672, 53888, 146929, 293858, 587716, 1175432, 2350864, 4701728, 9403456, 18806912]

約数ペア:

[(1, 18806912), (2, 9403456), (4, 4701728), (8, 2350864), (16, 1175432), (32, 587716), (64, 293858), (128, 146929), (349, 53888), (421, 44672), (698, 26944), (842, 22336), (1396, 13472), (1684, 11168), (2792, 6736), (3368, 5584)]