18508984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5741}}^1$

素因数の和:5791

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 20077256

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 5741, 11482, 22964, 45928, 74633, 149266, 177971, 298532, 355942, 597064, 711884, 1423768, 2313623, 4627246, 9254492, 18508984]

約数ペア:

[(1, 18508984), (2, 9254492), (4, 4627246), (8, 2313623), (13, 1423768), (26, 711884), (31, 597064), (52, 355942), (62, 298532), (104, 177971), (124, 149266), (248, 74633), (403, 45928), (806, 22964), (1612, 11482), (3224, 5741)]