18693756

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 50004864

約数和(自身を除く): 31311108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 107, 138, 207, 211, 214, 276, 321, 414, 422, 428, 633, 642, 828, 844, 963, 1266, 1284, 1899, 1926, 2461, 2532, 3798, 3852, 4853, 4922, 7383, 7596, 9706, 9844, 14559, 14766, 19412, 22149, 22577, 29118, 29532, 43677, 44298, 45154, 58236, 67731, 87354, 88596, 90308, 135462, 174708, 203193, 270924, 406386, 519271, 812772, 1038542, 1557813, 2077084, 3115626, 4673439, 6231252, 9346878, 18693756]

約数ペア:

[(1, 18693756), (2, 9346878), (3, 6231252), (4, 4673439), (6, 3115626), (9, 2077084), (12, 1557813), (18, 1038542), (23, 812772), (36, 519271), (46, 406386), (69, 270924), (92, 203193), (107, 174708), (138, 135462), (207, 90308), (211, 88596), (214, 87354), (276, 67731), (321, 58236), (414, 45154), (422, 44298), (428, 43677), (633, 29532), (642, 29118), (828, 22577), (844, 22149), (963, 19412), (1266, 14766), (1284, 14559), (1899, 9844), (1926, 9706), (2461, 7596), (2532, 7383), (3798, 4922), (3852, 4853)]