19506968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3539}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 40143600

約数和(自身を除く): 20636632

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3539, 5512, 7078, 14156, 28312, 46007, 92014, 184028, 187567, 368056, 375134, 750268, 1500536, 2438371, 4876742, 9753484, 19506968]

約数ペア:

[(1, 19506968), (2, 9753484), (4, 4876742), (8, 2438371), (13, 1500536), (26, 750268), (52, 375134), (53, 368056), (104, 187567), (106, 184028), (212, 92014), (424, 46007), (689, 28312), (1378, 14156), (2756, 7078), (3539, 5512)]