20189433136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{102647}}^1$

素因数の和:103321

約数の個数: 40

約数和(自身を含む): 41239860480

約数和(自身を除く): 21050427344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 647, 1294, 2588, 5176, 10352, 12293, 24586, 49172, 98344, 102647, 196688, 205294, 410588, 821176, 1642352, 1950293, 3900586, 7801172, 15602344, 31204688, 66412609, 132825218, 265650436, 531300872, 1062601744, 1261839571, 2523679142, 5047358284, 10094716568, 20189433136]

約数ペア:

[(1, 20189433136), (2, 10094716568), (4, 5047358284), (8, 2523679142), (16, 1261839571), (19, 1062601744), (38, 531300872), (76, 265650436), (152, 132825218), (304, 66412609), (647, 31204688), (1294, 15602344), (2588, 7801172), (5176, 3900586), (10352, 1950293), (12293, 1642352), (24586, 821176), (49172, 410588), (98344, 205294), (102647, 196688)]