19003875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 36661248

約数和(自身を除く): 17657373

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 125, 165, 187, 255, 271, 275, 375, 425, 561, 813, 825, 935, 1275, 1355, 1375, 2125, 2805, 2981, 4065, 4125, 4607, 4675, 6375, 6775, 8943, 13821, 14025, 14905, 20325, 23035, 23375, 33875, 44715, 50677, 69105, 70125, 74525, 101625, 115175, 152031, 223575, 253385, 345525, 372625, 575875, 760155, 1117875, 1266925, 1727625, 3800775, 6334625, 19003875]

約数ペア:

[(1, 19003875), (3, 6334625), (5, 3800775), (11, 1727625), (15, 1266925), (17, 1117875), (25, 760155), (33, 575875), (51, 372625), (55, 345525), (75, 253385), (85, 223575), (125, 152031), (165, 115175), (187, 101625), (255, 74525), (271, 70125), (275, 69105), (375, 50677), (425, 44715), (561, 33875), (813, 23375), (825, 23035), (935, 20325), (1275, 14905), (1355, 14025), (1375, 13821), (2125, 8943), (2805, 6775), (2981, 6375), (4065, 4675), (4125, 4607)]