19992130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 37278144

約数和(自身を除く): 17286014

約数列:

[1, 2, 5, 10, 53, 67, 106, 134, 265, 335, 530, 563, 670, 1126, 2815, 3551, 5630, 7102, 17755, 29839, 35510, 37721, 59678, 75442, 149195, 188605, 298390, 377210, 1999213, 3998426, 9996065, 19992130]

約数ペア:

[(1, 19992130), (2, 9996065), (5, 3998426), (10, 1999213), (53, 377210), (67, 298390), (106, 188605), (134, 149195), (265, 75442), (335, 59678), (530, 37721), (563, 35510), (670, 29839), (1126, 17755), (2815, 7102), (3551, 5630)]