18938712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 51579360

約数和(自身を除く): 32640648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 101, 104, 156, 202, 303, 312, 404, 601, 606, 808, 1202, 1212, 1313, 1803, 2404, 2424, 2626, 3606, 3939, 4808, 5252, 7212, 7813, 7878, 10504, 14424, 15626, 15756, 23439, 31252, 31512, 46878, 60701, 62504, 93756, 121402, 182103, 187512, 242804, 364206, 485608, 728412, 789113, 1456824, 1578226, 2367339, 3156452, 4734678, 6312904, 9469356, 18938712]

約数ペア:

[(1, 18938712), (2, 9469356), (3, 6312904), (4, 4734678), (6, 3156452), (8, 2367339), (12, 1578226), (13, 1456824), (24, 789113), (26, 728412), (39, 485608), (52, 364206), (78, 242804), (101, 187512), (104, 182103), (156, 121402), (202, 93756), (303, 62504), (312, 60701), (404, 46878), (601, 31512), (606, 31252), (808, 23439), (1202, 15756), (1212, 15626), (1313, 14424), (1803, 10504), (2404, 7878), (2424, 7813), (2626, 7212), (3606, 5252), (3939, 4808)]