19197918

素因数分解:

$2^1\times 3^3\times {\mathrm{355517}}^1$

素因数の和:355528

約数の個数: 16

約数和(自身を含む): 42662160

約数和(自身を除く): 23464242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 355517, 711034, 1066551, 2133102, 3199653, 6399306, 9598959, 19197918]

約数ペア:

[(1, 19197918), (2, 9598959), (3, 6399306), (6, 3199653), (9, 2133102), (18, 1066551), (27, 711034), (54, 355517)]