20173706

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 16546294

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 509, 1018, 1043, 2086, 2831, 3563, 5662, 7126, 9671, 19342, 19817, 39634, 67697, 75841, 135394, 151682, 530887, 1061774, 1440979, 2881958, 10086853, 20173706]

約数ペア:

[(1, 20173706), (2, 10086853), (7, 2881958), (14, 1440979), (19, 1061774), (38, 530887), (133, 151682), (149, 135394), (266, 75841), (298, 67697), (509, 39634), (1018, 19817), (1043, 19342), (2086, 9671), (2831, 7126), (3563, 5662)]