19608228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 52852800

約数和(自身を除く): 33244572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 263, 327, 342, 436, 526, 654, 684, 789, 981, 1052, 1308, 1578, 1962, 2071, 2367, 3156, 3924, 4142, 4734, 4997, 6213, 8284, 9468, 9994, 12426, 14991, 18639, 19988, 24852, 28667, 29982, 37278, 44973, 57334, 59964, 74556, 86001, 89946, 114668, 172002, 179892, 258003, 344004, 516006, 544673, 1032012, 1089346, 1634019, 2178692, 3268038, 4902057, 6536076, 9804114, 19608228]

約数ペア:

[(1, 19608228), (2, 9804114), (3, 6536076), (4, 4902057), (6, 3268038), (9, 2178692), (12, 1634019), (18, 1089346), (19, 1032012), (36, 544673), (38, 516006), (57, 344004), (76, 258003), (109, 179892), (114, 172002), (171, 114668), (218, 89946), (228, 86001), (263, 74556), (327, 59964), (342, 57334), (436, 44973), (526, 37278), (654, 29982), (684, 28667), (789, 24852), (981, 19988), (1052, 18639), (1308, 14991), (1578, 12426), (1962, 9994), (2071, 9468), (2367, 8284), (3156, 6213), (3924, 4997), (4142, 4734)]