19971354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4831}}^1$

素因数の和:4902

約数の個数: 32

約数和(自身を含む): 43835904

約数和(自身を除く): 23864550

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4831, 9662, 14493, 28986, 62803, 125606, 188409, 256043, 376818, 512086, 768129, 1536258, 3328559, 6657118, 9985677, 19971354]

約数ペア:

[(1, 19971354), (2, 9985677), (3, 6657118), (6, 3328559), (13, 1536258), (26, 768129), (39, 512086), (53, 376818), (78, 256043), (106, 188409), (159, 125606), (318, 62803), (689, 28986), (1378, 14493), (2067, 9662), (4134, 4831)]