18867316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2027}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 35773920

約数和(自身を除く): 16906604

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2027, 2327, 4054, 4654, 8108, 9308, 26351, 52702, 105404, 362833, 725666, 1451332, 4716829, 9433658, 18867316]

約数ペア:

[(1, 18867316), (2, 9433658), (4, 4716829), (13, 1451332), (26, 725666), (52, 362833), (179, 105404), (358, 52702), (716, 26351), (2027, 9308), (2327, 8108), (4054, 4654)]