20178394858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1\times {\mathrm{14197}}^1$

素因数の和:14662

約数の個数: 32

約数和(自身を含む): 32241954240

約数和(自身を除く): 12063559382

約数列:

[1, 2, 19, 38, 113, 226, 331, 662, 2147, 4294, 6289, 12578, 14197, 28394, 37403, 74806, 269743, 539486, 710657, 1421314, 1604261, 3208522, 4699207, 9398414, 30480959, 60961918, 89284933, 178569866, 531010391, 1062020782, 10089197429, 20178394858]

約数ペア:

[(1, 20178394858), (2, 10089197429), (19, 1062020782), (38, 531010391), (113, 178569866), (226, 89284933), (331, 60961918), (662, 30480959), (2147, 9398414), (4294, 4699207), (6289, 3208522), (12578, 1604261), (14197, 1421314), (28394, 710657), (37403, 539486), (74806, 269743)]