17815671220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{988661}}^1$

素因数の和:988740

約数の個数: 48

約数和(自身を含む): 40361137488

約数和(自身を除く): 22545466268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 18020, 988661, 1977322, 3954644, 4943305, 9886610, 16807237, 19773220, 33614474, 52399033, 67228948, 84036185, 104798066, 168072370, 209596132, 261995165, 336144740, 523990330, 890783561, 1047980660, 1781567122, 3563134244, 4453917805, 8907835610, 17815671220]

約数ペア:

[(1, 17815671220), (2, 8907835610), (4, 4453917805), (5, 3563134244), (10, 1781567122), (17, 1047980660), (20, 890783561), (34, 523990330), (53, 336144740), (68, 261995165), (85, 209596132), (106, 168072370), (170, 104798066), (212, 84036185), (265, 67228948), (340, 52399033), (530, 33614474), (901, 19773220), (1060, 16807237), (1802, 9886610), (3604, 4943305), (4505, 3954644), (9010, 1977322), (18020, 988661)]