19986426

素因数分解:

$2^1\times 3^4\times {\mathrm{123373}}^1$

素因数の和:123387

約数の個数: 20

約数和(自身を含む): 44784762

約数和(自身を除く): 24798336

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123373, 246746, 370119, 740238, 1110357, 2220714, 3331071, 6662142, 9993213, 19986426]

約数ペア:

[(1, 19986426), (2, 9993213), (3, 6662142), (6, 3331071), (9, 2220714), (18, 1110357), (27, 740238), (54, 370119), (81, 246746), (162, 123373)]