17972656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 38060064

約数和(自身を除く): 20087408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1217, 1846, 2434, 3692, 4868, 7384, 9736, 14768, 15821, 19472, 31642, 63284, 86407, 126568, 172814, 253136, 345628, 691256, 1123291, 1382512, 2246582, 4493164, 8986328, 17972656]

約数ペア:

[(1, 17972656), (2, 8986328), (4, 4493164), (8, 2246582), (13, 1382512), (16, 1123291), (26, 691256), (52, 345628), (71, 253136), (104, 172814), (142, 126568), (208, 86407), (284, 63284), (568, 31642), (923, 19472), (1136, 15821), (1217, 14768), (1846, 9736), (2434, 7384), (3692, 4868)]