18730712

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2376

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 28443688

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2339, 4004, 4678, 8008, 9356, 16373, 18712, 25729, 30407, 32746, 51458, 60814, 65492, 102916, 121628, 130984, 180103, 205832, 212849, 243256, 334477, 360206, 425698, 668954, 720412, 851396, 1337908, 1440824, 1702792, 2341339, 2675816, 4682678, 9365356, 18730712]

約数ペア:

[(1, 18730712), (2, 9365356), (4, 4682678), (7, 2675816), (8, 2341339), (11, 1702792), (13, 1440824), (14, 1337908), (22, 851396), (26, 720412), (28, 668954), (44, 425698), (52, 360206), (56, 334477), (77, 243256), (88, 212849), (91, 205832), (104, 180103), (143, 130984), (154, 121628), (182, 102916), (286, 65492), (308, 60814), (364, 51458), (572, 32746), (616, 30407), (728, 25729), (1001, 18712), (1144, 16373), (2002, 9356), (2339, 8008), (4004, 4678)]