18818826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 41513184

約数和(自身を除く): 22694358

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 169, 201, 277, 338, 402, 507, 554, 831, 871, 1014, 1662, 1742, 2613, 3601, 5226, 7202, 10803, 11323, 18559, 21606, 22646, 33969, 37118, 46813, 55677, 67938, 93626, 111354, 140439, 241267, 280878, 482534, 723801, 1447602, 3136471, 6272942, 9409413, 18818826]

約数ペア:

[(1, 18818826), (2, 9409413), (3, 6272942), (6, 3136471), (13, 1447602), (26, 723801), (39, 482534), (67, 280878), (78, 241267), (134, 140439), (169, 111354), (201, 93626), (277, 67938), (338, 55677), (402, 46813), (507, 37118), (554, 33969), (831, 22646), (871, 21606), (1014, 18559), (1662, 11323), (1742, 10803), (2613, 7202), (3601, 5226)]