19929816

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2113}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 54414360

約数和(自身を除く): 34484544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2113, 2358, 3144, 4226, 4716, 6339, 8452, 9432, 12678, 16904, 19017, 25356, 38034, 50712, 76068, 152136, 276803, 553606, 830409, 1107212, 1660818, 2214424, 2491227, 3321636, 4982454, 6643272, 9964908, 19929816]

約数ペア:

[(1, 19929816), (2, 9964908), (3, 6643272), (4, 4982454), (6, 3321636), (8, 2491227), (9, 2214424), (12, 1660818), (18, 1107212), (24, 830409), (36, 553606), (72, 276803), (131, 152136), (262, 76068), (393, 50712), (524, 38034), (786, 25356), (1048, 19017), (1179, 16904), (1572, 12678), (2113, 9432), (2358, 8452), (3144, 6339), (4226, 4716)]