2007171856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{178447}}^1$

素因数の和:178511

約数の個数: 40

約数和(自身を含む): 4204234880

約数和(自身を除く): 2197063024

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 11248, 178447, 356894, 713788, 1427576, 2855152, 3390493, 6602539, 6780986, 13205078, 13561972, 26410156, 27123944, 52820312, 54247888, 105640624, 125448241, 250896482, 501792964, 1003585928, 2007171856]

約数ペア:

[(1, 2007171856), (2, 1003585928), (4, 501792964), (8, 250896482), (16, 125448241), (19, 105640624), (37, 54247888), (38, 52820312), (74, 27123944), (76, 26410156), (148, 13561972), (152, 13205078), (296, 6780986), (304, 6602539), (592, 3390493), (703, 2855152), (1406, 1427576), (2812, 713788), (5624, 356894), (11248, 178447)]