18056818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 12812174

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 403, 521, 559, 806, 1042, 1118, 1333, 2666, 6773, 13546, 16151, 17329, 22403, 32302, 34658, 44806, 209963, 291239, 419926, 582478, 694493, 1388986, 9028409, 18056818]

約数ペア:

[(1, 18056818), (2, 9028409), (13, 1388986), (26, 694493), (31, 582478), (43, 419926), (62, 291239), (86, 209963), (403, 44806), (521, 34658), (559, 32302), (806, 22403), (1042, 17329), (1118, 16151), (1333, 13546), (2666, 6773)]