18226978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1667}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 34587648

約数和(自身を除く): 16360670

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1667, 3334, 5467, 10934, 11669, 18337, 23338, 36674, 118357, 128359, 236714, 256718, 828499, 1301927, 1656998, 2603854, 9113489, 18226978]

約数ペア:

[(1, 18226978), (2, 9113489), (7, 2603854), (11, 1656998), (14, 1301927), (22, 828499), (71, 256718), (77, 236714), (142, 128359), (154, 118357), (497, 36674), (781, 23338), (994, 18337), (1562, 11669), (1667, 10934), (3334, 5467)]