18245552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87719}}^1$

素因数の和:87740

約数の個数: 20

約数和(自身を含む): 38070480

約数和(自身を除く): 19824928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87719, 175438, 350876, 701752, 1140347, 1403504, 2280694, 4561388, 9122776, 18245552]

約数ペア:

[(1, 18245552), (2, 9122776), (4, 4561388), (8, 2280694), (13, 1403504), (16, 1140347), (26, 701752), (52, 350876), (104, 175438), (208, 87719)]