18538544

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1381}}^1$

素因数の和:2228

約数の個数: 20

約数和(自身を含む): 35987280

約数和(自身を除く): 17448736

約数列:

[1, 2, 4, 8, 16, 839, 1381, 1678, 2762, 3356, 5524, 6712, 11048, 13424, 22096, 1158659, 2317318, 4634636, 9269272, 18538544]

約数ペア:

[(1, 18538544), (2, 9269272), (4, 4634636), (8, 2317318), (16, 1158659), (839, 22096), (1381, 13424), (1678, 11048), (2762, 6712), (3356, 5524)]