19413926

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15581}}^1$

素因数の和:15679

約数の個数: 16

約数和(自身を含む): 33657120

約数和(自身を除く): 14243194

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 15581, 31162, 109067, 218134, 1386709, 2773418, 9706963, 19413926]

約数ペア:

[(1, 19413926), (2, 9706963), (7, 2773418), (14, 1386709), (89, 218134), (178, 109067), (623, 31162), (1246, 15581)]