18141968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87221}}^1$

素因数の和:87242

約数の個数: 20

約数和(自身を含む): 37854348

約数和(自身を除く): 19712380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87221, 174442, 348884, 697768, 1133873, 1395536, 2267746, 4535492, 9070984, 18141968]

約数ペア:

[(1, 18141968), (2, 9070984), (4, 4535492), (8, 2267746), (13, 1395536), (16, 1133873), (26, 697768), (52, 348884), (104, 174442), (208, 87221)]