19696005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2017}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 40295424

約数和(自身を除く): 20599419

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2017, 3255, 6051, 9765, 10085, 14119, 18153, 30255, 42357, 62527, 70595, 90765, 127071, 187581, 211785, 312635, 437689, 562743, 635355, 937905, 1313067, 2188445, 2813715, 3939201, 6565335, 19696005]

約数ペア:

[(1, 19696005), (3, 6565335), (5, 3939201), (7, 2813715), (9, 2188445), (15, 1313067), (21, 937905), (31, 635355), (35, 562743), (45, 437689), (63, 312635), (93, 211785), (105, 187581), (155, 127071), (217, 90765), (279, 70595), (315, 62527), (465, 42357), (651, 30255), (1085, 18153), (1395, 14119), (1953, 10085), (2017, 9765), (3255, 6051)]