18656960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8329}}^1$

素因数の和:8353

約数の個数: 56

約数和(自身を含む): 50779680

約数和(自身を除く): 32122720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8329, 16658, 33316, 41645, 58303, 66632, 83290, 116606, 133264, 166580, 233212, 266528, 291515, 333160, 466424, 533056, 583030, 666320, 932848, 1166060, 1332640, 1865696, 2332120, 2665280, 3731392, 4664240, 9328480, 18656960]

約数ペア:

[(1, 18656960), (2, 9328480), (4, 4664240), (5, 3731392), (7, 2665280), (8, 2332120), (10, 1865696), (14, 1332640), (16, 1166060), (20, 932848), (28, 666320), (32, 583030), (35, 533056), (40, 466424), (56, 333160), (64, 291515), (70, 266528), (80, 233212), (112, 166580), (140, 133264), (160, 116606), (224, 83290), (280, 66632), (320, 58303), (448, 41645), (560, 33316), (1120, 16658), (2240, 8329)]