19418528086

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{492781}}^1$

素因数の和:492880

約数の個数: 32

約数和(自身を含む): 32996682720

約数和(自身を除く): 13578154634

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 323, 646, 1037, 1159, 2074, 2318, 19703, 39406, 492781, 985562, 8377277, 9362839, 16754554, 18725678, 30059641, 60119282, 159168263, 318336526, 511013897, 571133179, 1022027794, 1142266358, 9709264043, 19418528086]

約数ペア:

[(1, 19418528086), (2, 9709264043), (17, 1142266358), (19, 1022027794), (34, 571133179), (38, 511013897), (61, 318336526), (122, 159168263), (323, 60119282), (646, 30059641), (1037, 18725678), (1159, 16754554), (2074, 9362839), (2318, 8377277), (19703, 985562), (39406, 492781)]