20189283088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{105619}}^1$

素因数の和:106559

約数の個数: 40

約数和(自身を含む): 42171953600

約数和(自身を除く): 21982670512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 919, 1838, 3676, 7352, 11947, 14704, 23894, 47788, 95576, 105619, 191152, 211238, 422476, 844952, 1373047, 1689904, 2746094, 5492188, 10984376, 21968752, 97063861, 194127722, 388255444, 776510888, 1261830193, 1553021776, 2523660386, 5047320772, 10094641544, 20189283088]

約数ペア:

[(1, 20189283088), (2, 10094641544), (4, 5047320772), (8, 2523660386), (13, 1553021776), (16, 1261830193), (26, 776510888), (52, 388255444), (104, 194127722), (208, 97063861), (919, 21968752), (1838, 10984376), (3676, 5492188), (7352, 2746094), (11947, 1689904), (14704, 1373047), (23894, 844952), (47788, 422476), (95576, 211238), (105619, 191152)]