18287438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 31461696

約数和(自身を除く): 13174258

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 299, 577, 598, 689, 1154, 1219, 1378, 2438, 7501, 13271, 15002, 15847, 26542, 30581, 31694, 61162, 172523, 345046, 397553, 703363, 795106, 1406726, 9143719, 18287438]

約数ペア:

[(1, 18287438), (2, 9143719), (13, 1406726), (23, 795106), (26, 703363), (46, 397553), (53, 345046), (106, 172523), (299, 61162), (577, 31694), (598, 30581), (689, 26542), (1154, 15847), (1219, 15002), (1378, 13271), (2438, 7501)]