18554358784

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1393807}}^1$

素因数の和:1393840

約数の個数: 44

約数和(自身を含む): 39943749664

約数和(自身を除く): 21389390880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 6656, 13312, 1393807, 2787614, 5575228, 11150456, 18119491, 22300912, 36238982, 44601824, 72477964, 89203648, 144955928, 178407296, 289911856, 356814592, 579823712, 713629184, 1159647424, 1427258368, 2319294848, 4638589696, 9277179392, 18554358784]

約数ペア:

[(1, 18554358784), (2, 9277179392), (4, 4638589696), (8, 2319294848), (13, 1427258368), (16, 1159647424), (26, 713629184), (32, 579823712), (52, 356814592), (64, 289911856), (104, 178407296), (128, 144955928), (208, 89203648), (256, 72477964), (416, 44601824), (512, 36238982), (832, 22300912), (1024, 18119491), (1664, 11150456), (3328, 5575228), (6656, 2787614), (13312, 1393807)]