19966670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1753}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 38644128

約数和(自身を除く): 18677458

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 1753, 2278, 3506, 5695, 8765, 11390, 17530, 29801, 59602, 117451, 149005, 234902, 298010, 587255, 1174510, 1996667, 3993334, 9983335, 19966670]

約数ペア:

[(1, 19966670), (2, 9983335), (5, 3993334), (10, 1996667), (17, 1174510), (34, 587255), (67, 298010), (85, 234902), (134, 149005), (170, 117451), (335, 59602), (670, 29801), (1139, 17530), (1753, 11390), (2278, 8765), (3506, 5695)]