18405814721

素因数分解:

$7^1\times {\mathrm{331}}^1\times {\mathrm{2027}}^1\times {\mathrm{3919}}^1$

素因数の和:6284

約数の個数: 16

約数和(自身を含む): 21114562560

約数和(自身を除く): 2708747839

約数列:

[1, 7, 331, 2027, 2317, 3919, 14189, 27433, 670937, 1297189, 4696559, 7943813, 9080323, 55606691, 2629402103, 18405814721]

約数ペア:

[(1, 18405814721), (7, 2629402103), (331, 55606691), (2027, 9080323), (2317, 7943813), (3919, 4696559), (14189, 1297189), (27433, 670937)]