18736480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16729}}^1$

素因数の和:16751

約数の個数: 48

約数和(自身を含む): 50591520

約数和(自身を除く): 31855040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16729, 33458, 66916, 83645, 117103, 133832, 167290, 234206, 267664, 334580, 468412, 535328, 585515, 669160, 936824, 1171030, 1338320, 1873648, 2342060, 2676640, 3747296, 4684120, 9368240, 18736480]

約数ペア:

[(1, 18736480), (2, 9368240), (4, 4684120), (5, 3747296), (7, 2676640), (8, 2342060), (10, 1873648), (14, 1338320), (16, 1171030), (20, 936824), (28, 669160), (32, 585515), (35, 535328), (40, 468412), (56, 334580), (70, 267664), (80, 234206), (112, 167290), (140, 133832), (160, 117103), (224, 83645), (280, 66916), (560, 33458), (1120, 16729)]