16893280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5591

約数の個数: 48

約数和(自身を含む): 42018480

約数和(自身を除く): 25125200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5557, 11114, 22228, 27785, 44456, 55570, 88912, 105583, 111140, 177824, 211166, 222280, 422332, 444560, 527915, 844664, 889120, 1055830, 1689328, 2111660, 3378656, 4223320, 8446640, 16893280]

約数ペア:

[(1, 16893280), (2, 8446640), (4, 4223320), (5, 3378656), (8, 2111660), (10, 1689328), (16, 1055830), (19, 889120), (20, 844664), (32, 527915), (38, 444560), (40, 422332), (76, 222280), (80, 211166), (95, 177824), (152, 111140), (160, 105583), (190, 88912), (304, 55570), (380, 44456), (608, 27785), (760, 22228), (1520, 11114), (3040, 5557)]