1800391216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{9007}}^1$

素因数の和:9090

約数の個数: 60

約数和(自身を含む): 3882105696

約数和(自身を除く): 2081714480

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1612, 1922, 3224, 3844, 6448, 7688, 9007, 12493, 15376, 18014, 24986, 36028, 49972, 72056, 99944, 117091, 144112, 199888, 234182, 279217, 468364, 558434, 936728, 1116868, 1873456, 2233736, 3629821, 4467472, 7259642, 8655727, 14519284, 17311454, 29038568, 34622908, 58077136, 69245816, 112524451, 138491632, 225048902, 450097804, 900195608, 1800391216]

約数ペア:

[(1, 1800391216), (2, 900195608), (4, 450097804), (8, 225048902), (13, 138491632), (16, 112524451), (26, 69245816), (31, 58077136), (52, 34622908), (62, 29038568), (104, 17311454), (124, 14519284), (208, 8655727), (248, 7259642), (403, 4467472), (496, 3629821), (806, 2233736), (961, 1873456), (1612, 1116868), (1922, 936728), (3224, 558434), (3844, 468364), (6448, 279217), (7688, 234182), (9007, 199888), (12493, 144112), (15376, 117091), (18014, 99944), (24986, 72056), (36028, 49972)]