19883356

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3631}}^1$

素因数の和:3709

約数の個数: 18

約数和(自身を含む): 35771568

約数和(自身を除く): 15888212

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3631, 5476, 7262, 14524, 134347, 268694, 537388, 4970839, 9941678, 19883356]

約数ペア:

[(1, 19883356), (2, 9941678), (4, 4970839), (37, 537388), (74, 268694), (148, 134347), (1369, 14524), (2738, 7262), (3631, 5476)]