19804642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69247}}^1$

素因数の和:69273

約数の個数: 16

約数和(自身を含む): 34900992

約数和(自身を除く): 15096350

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69247, 138494, 761717, 900211, 1523434, 1800422, 9902321, 19804642]

約数ペア:

[(1, 19804642), (2, 9902321), (11, 1800422), (13, 1523434), (22, 900211), (26, 761717), (143, 138494), (286, 69247)]