1917968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9221}}^1$

素因数の和:9242

約数の個数: 20

約数和(自身を含む): 4002348

約数和(自身を除く): 2084380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9221, 18442, 36884, 73768, 119873, 147536, 239746, 479492, 958984, 1917968]

約数ペア:

[(1, 1917968), (2, 958984), (4, 479492), (8, 239746), (13, 147536), (16, 119873), (26, 73768), (52, 36884), (104, 18442), (208, 9221)]