2180940918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{27960781}}^1$

素因数の和:27960799

約数の個数: 16

約数和(自身を含む): 4697411376

約数和(自身を除く): 2516470458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 27960781, 55921562, 83882343, 167764686, 363490153, 726980306, 1090470459, 2180940918]

約数ペア:

[(1, 2180940918), (2, 1090470459), (3, 726980306), (6, 363490153), (13, 167764686), (26, 83882343), (39, 55921562), (78, 27960781)]