17941456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86257}}^1$

素因数の和:86278

約数の個数: 20

約数和(自身を含む): 37435972

約数和(自身を除く): 19494516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86257, 172514, 345028, 690056, 1121341, 1380112, 2242682, 4485364, 8970728, 17941456]

約数ペア:

[(1, 17941456), (2, 8970728), (4, 4485364), (8, 2242682), (13, 1380112), (16, 1121341), (26, 690056), (52, 345028), (104, 172514), (208, 86257)]