18019962

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 42681600

約数和(自身を除く): 24661638

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 87, 111, 174, 222, 261, 311, 333, 522, 622, 666, 783, 933, 999, 1073, 1566, 1866, 1998, 2146, 2799, 3219, 5598, 6438, 8397, 9019, 9657, 11507, 16794, 18038, 19314, 23014, 27057, 28971, 34521, 54114, 57942, 69042, 81171, 103563, 162342, 207126, 243513, 310689, 333703, 487026, 621378, 667406, 1001109, 2002218, 3003327, 6006654, 9009981, 18019962]

約数ペア:

[(1, 18019962), (2, 9009981), (3, 6006654), (6, 3003327), (9, 2002218), (18, 1001109), (27, 667406), (29, 621378), (37, 487026), (54, 333703), (58, 310689), (74, 243513), (87, 207126), (111, 162342), (174, 103563), (222, 81171), (261, 69042), (311, 57942), (333, 54114), (522, 34521), (622, 28971), (666, 27057), (783, 23014), (933, 19314), (999, 18038), (1073, 16794), (1566, 11507), (1866, 9657), (1998, 9019), (2146, 8397), (2799, 6438), (3219, 5598)]