16805984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 19391296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 569, 923, 1136, 1138, 1846, 2272, 2276, 3692, 4552, 7384, 7397, 9104, 14768, 14794, 18208, 29536, 29588, 40399, 59176, 80798, 118352, 161596, 236704, 323192, 525187, 646384, 1050374, 1292768, 2100748, 4201496, 8402992, 16805984]

約数ペア:

[(1, 16805984), (2, 8402992), (4, 4201496), (8, 2100748), (13, 1292768), (16, 1050374), (26, 646384), (32, 525187), (52, 323192), (71, 236704), (104, 161596), (142, 118352), (208, 80798), (284, 59176), (416, 40399), (568, 29588), (569, 29536), (923, 18208), (1136, 14794), (1138, 14768), (1846, 9104), (2272, 7397), (2276, 7384), (3692, 4552)]