19002347

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 24859296

約数和(自身を除く): 5856949

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 1297, 2093, 9079, 14651, 16861, 29831, 63553, 118027, 208817, 387803, 826189, 1461719, 2714621, 19002347]

約数ペア:

[(1, 19002347), (7, 2714621), (13, 1461719), (23, 826189), (49, 387803), (91, 208817), (161, 118027), (299, 63553), (637, 29831), (1127, 16861), (1297, 14651), (2093, 9079)]