18963506

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12140494

約数列:

[1, 2, 29, 31, 53, 58, 62, 106, 199, 398, 899, 1537, 1643, 1798, 3074, 3286, 5771, 6169, 10547, 11542, 12338, 21094, 47647, 95294, 178901, 305863, 326957, 357802, 611726, 653914, 9481753, 18963506]

約数ペア:

[(1, 18963506), (2, 9481753), (29, 653914), (31, 611726), (53, 357802), (58, 326957), (62, 305863), (106, 178901), (199, 95294), (398, 47647), (899, 21094), (1537, 12338), (1643, 11542), (1798, 10547), (3074, 6169), (3286, 5771)]