18398318

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 24

約数和(自身を含む): 29656200

約数和(自身を除く): 11257882

約数列:

[1, 2, 17, 34, 139, 229, 278, 289, 458, 578, 2363, 3893, 4726, 7786, 31831, 40171, 63662, 66181, 80342, 132362, 541127, 1082254, 9199159, 18398318]

約数ペア:

[(1, 18398318), (2, 9199159), (17, 1082254), (34, 541127), (139, 132362), (229, 80342), (278, 66181), (289, 63662), (458, 40171), (578, 31831), (2363, 7786), (3893, 4726)]