18681037336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1\times {\mathrm{1051}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 37954939680

約数和(自身を除く): 19273902344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 617, 1051, 1108, 1234, 2102, 2216, 2468, 3601, 4204, 4936, 7202, 8021, 8408, 13663, 14404, 16042, 27326, 28808, 32084, 54652, 64168, 109304, 170909, 291127, 341818, 582254, 648467, 683636, 1164508, 1296934, 1367272, 2221817, 2329016, 2593868, 3784651, 4443634, 5187736, 7569302, 8430071, 8887268, 15138604, 16860142, 17774536, 30277208, 33720284, 67440568, 179625359, 359250718, 718501436, 1437002872, 2335129667, 4670259334, 9340518668, 18681037336]

約数ペア:

[(1, 18681037336), (2, 9340518668), (4, 4670259334), (8, 2335129667), (13, 1437002872), (26, 718501436), (52, 359250718), (104, 179625359), (277, 67440568), (554, 33720284), (617, 30277208), (1051, 17774536), (1108, 16860142), (1234, 15138604), (2102, 8887268), (2216, 8430071), (2468, 7569302), (3601, 5187736), (4204, 4443634), (4936, 3784651), (7202, 2593868), (8021, 2329016), (8408, 2221817), (13663, 1367272), (14404, 1296934), (16042, 1164508), (27326, 683636), (28808, 648467), (32084, 582254), (54652, 341818), (64168, 291127), (109304, 170909)]