19243128961

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{148331}}^1$

素因数の和:148812

約数の個数: 16

約数和(自身を含む): 22555957248

約数和(自身を除く): 3312828287

約数列:

[1, 7, 43, 301, 431, 3017, 18533, 129731, 148331, 1038317, 6378233, 44647631, 63930661, 447514627, 2749018423, 19243128961]

約数ペア:

[(1, 19243128961), (7, 2749018423), (43, 447514627), (301, 63930661), (431, 44647631), (3017, 6378233), (18533, 1038317), (129731, 148331)]