18789020874

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1574411}}^1$

素因数の和:1574452

約数の個数: 64

約数和(自身を含む): 47610218880

約数和(自身を除く): 28821198006

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1989, 3978, 5967, 11934, 1574411, 3148822, 4723233, 9446466, 14169699, 20467343, 26764987, 28339398, 40934686, 42509097, 53529974, 61402029, 80294961, 85018194, 122804058, 160589922, 184206087, 240884883, 347944831, 368412174, 481769766, 552618261, 695889662, 722654649, 1043834493, 1105236522, 1445309298, 2087668986, 3131503479, 6263006958, 9394510437, 18789020874]

約数ペア:

[(1, 18789020874), (2, 9394510437), (3, 6263006958), (6, 3131503479), (9, 2087668986), (13, 1445309298), (17, 1105236522), (18, 1043834493), (26, 722654649), (27, 695889662), (34, 552618261), (39, 481769766), (51, 368412174), (54, 347944831), (78, 240884883), (102, 184206087), (117, 160589922), (153, 122804058), (221, 85018194), (234, 80294961), (306, 61402029), (351, 53529974), (442, 42509097), (459, 40934686), (663, 28339398), (702, 26764987), (918, 20467343), (1326, 14169699), (1989, 9446466), (3978, 4723233), (5967, 3148822), (11934, 1574411)]