19806470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 17129530

約数列:

[1, 2, 5, 10, 37, 74, 185, 199, 269, 370, 398, 538, 995, 1345, 1990, 2690, 7363, 9953, 14726, 19906, 36815, 49765, 53531, 73630, 99530, 107062, 267655, 535310, 1980647, 3961294, 9903235, 19806470]

約数ペア:

[(1, 19806470), (2, 9903235), (5, 3961294), (10, 1980647), (37, 535310), (74, 267655), (185, 107062), (199, 99530), (269, 73630), (370, 53531), (398, 49765), (538, 36815), (995, 19906), (1345, 14726), (1990, 9953), (2690, 7363)]