18335247

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45953}}^1$

素因数の和:45982

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 11075313

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45953, 137859, 321671, 873107, 965013, 2619321, 6111749, 18335247]

約数ペア:

[(1, 18335247), (3, 6111749), (7, 2619321), (19, 965013), (21, 873107), (57, 321671), (133, 137859), (399, 45953)]