18963173957

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{112459}}^1$

素因数の和:112605

約数の個数: 32

約数和(自身を含む): 24939129600

約数和(自身を除く): 5975955643

約数列:

[1, 7, 13, 17, 91, 109, 119, 221, 763, 1417, 1547, 1853, 9919, 12971, 24089, 112459, 168623, 787213, 1461967, 1911803, 10233769, 12258031, 13382621, 24853439, 85806217, 159354403, 173974073, 208386527, 1115480821, 1458705689, 2709024851, 18963173957]

約数ペア:

[(1, 18963173957), (7, 2709024851), (13, 1458705689), (17, 1115480821), (91, 208386527), (109, 173974073), (119, 159354403), (221, 85806217), (763, 24853439), (1417, 13382621), (1547, 12258031), (1853, 10233769), (9919, 1911803), (12971, 1461967), (24089, 787213), (112459, 168623)]