19745178

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 21726822

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 199, 398, 597, 719, 1194, 1438, 2157, 4314, 4577, 9154, 13731, 16537, 27462, 33074, 49611, 99222, 143081, 286162, 429243, 858486, 3290863, 6581726, 9872589, 19745178]

約数ペア:

[(1, 19745178), (2, 9872589), (3, 6581726), (6, 3290863), (23, 858486), (46, 429243), (69, 286162), (138, 143081), (199, 99222), (398, 49611), (597, 33074), (719, 27462), (1194, 16537), (1438, 13731), (2157, 9154), (4314, 4577)]