18737244

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 50542128

約数和(自身を除く): 31804884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 521, 666, 972, 999, 1042, 1332, 1563, 1998, 2084, 2997, 3126, 3996, 4689, 5994, 6252, 8991, 9378, 11988, 14067, 17982, 18756, 19277, 28134, 35964, 38554, 42201, 56268, 57831, 77108, 84402, 115662, 126603, 168804, 173493, 231324, 253206, 346986, 506412, 520479, 693972, 1040958, 1561437, 2081916, 3122874, 4684311, 6245748, 9368622, 18737244]

約数ペア:

[(1, 18737244), (2, 9368622), (3, 6245748), (4, 4684311), (6, 3122874), (9, 2081916), (12, 1561437), (18, 1040958), (27, 693972), (36, 520479), (37, 506412), (54, 346986), (74, 253206), (81, 231324), (108, 173493), (111, 168804), (148, 126603), (162, 115662), (222, 84402), (243, 77108), (324, 57831), (333, 56268), (444, 42201), (486, 38554), (521, 35964), (666, 28134), (972, 19277), (999, 18756), (1042, 17982), (1332, 14067), (1563, 11988), (1998, 9378), (2084, 8991), (2997, 6252), (3126, 5994), (3996, 4689)]