18815628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 47780096

約数和(自身を除く): 28964468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1171, 1236, 1339, 2342, 2678, 3513, 4017, 4684, 5356, 7026, 8034, 14052, 15223, 16068, 30446, 45669, 60892, 91338, 120613, 182676, 241226, 361839, 482452, 723678, 1447356, 1567969, 3135938, 4703907, 6271876, 9407814, 18815628]

約数ペア:

[(1, 18815628), (2, 9407814), (3, 6271876), (4, 4703907), (6, 3135938), (12, 1567969), (13, 1447356), (26, 723678), (39, 482452), (52, 361839), (78, 241226), (103, 182676), (156, 120613), (206, 91338), (309, 60892), (412, 45669), (618, 30446), (1171, 16068), (1236, 15223), (1339, 14052), (2342, 8034), (2678, 7026), (3513, 5356), (4017, 4684)]