18878603971

素因数分解:

${\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{11923}}^1$

素因数の和:12342

約数の個数: 16

約数和(自身を含む): 19455103008

約数和(自身を除く): 576499037

約数列:

[1, 61, 101, 257, 6161, 11923, 15677, 25957, 727303, 1204223, 1583377, 3064211, 73457603, 186916871, 309485311, 18878603971]

約数ペア:

[(1, 18878603971), (61, 309485311), (101, 186916871), (257, 73457603), (6161, 3064211), (11923, 1583377), (15677, 1204223), (25957, 727303)]