19900996852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1013}}^1\times {\mathrm{4603}}^1$

素因数の和:5728

約数の個数: 48

約数和(自身を含む): 38430729792

約数和(自身を除く): 18529732940

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1013, 1067, 2026, 2134, 4052, 4268, 4603, 9206, 11143, 18412, 22286, 44572, 50633, 98261, 101266, 196522, 202532, 393044, 446491, 892982, 1080871, 1785964, 2161742, 4323484, 4662839, 4911401, 9325678, 9822802, 18651356, 19645604, 51291229, 102582458, 205164916, 452295383, 904590766, 1809181532, 4975249213, 9950498426, 19900996852]

約数ペア:

[(1, 19900996852), (2, 9950498426), (4, 4975249213), (11, 1809181532), (22, 904590766), (44, 452295383), (97, 205164916), (194, 102582458), (388, 51291229), (1013, 19645604), (1067, 18651356), (2026, 9822802), (2134, 9325678), (4052, 4911401), (4268, 4662839), (4603, 4323484), (9206, 2161742), (11143, 1785964), (18412, 1080871), (22286, 892982), (44572, 446491), (50633, 393044), (98261, 202532), (101266, 196522)]