18840224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{45289}}^1$

素因数の和:45312

約数の個数: 24

約数和(自身を含む): 39945780

約数和(自身を除く): 21105556

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 45289, 90578, 181156, 362312, 588757, 724624, 1177514, 1449248, 2355028, 4710056, 9420112, 18840224]

約数ペア:

[(1, 18840224), (2, 9420112), (4, 4710056), (8, 2355028), (13, 1449248), (16, 1177514), (26, 724624), (32, 588757), (52, 362312), (104, 181156), (208, 90578), (416, 45289)]