17983576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 38404800

約数和(自身を除く): 20421224

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 479, 494, 722, 958, 988, 1444, 1916, 1976, 2888, 3832, 4693, 6227, 9101, 9386, 12454, 18202, 18772, 24908, 36404, 37544, 49816, 72808, 118313, 172919, 236626, 345838, 473252, 691676, 946504, 1383352, 2247947, 4495894, 8991788, 17983576]

約数ペア:

[(1, 17983576), (2, 8991788), (4, 4495894), (8, 2247947), (13, 1383352), (19, 946504), (26, 691676), (38, 473252), (52, 345838), (76, 236626), (104, 172919), (152, 118313), (247, 72808), (361, 49816), (479, 37544), (494, 36404), (722, 24908), (958, 18772), (988, 18202), (1444, 12454), (1916, 9386), (1976, 9101), (2888, 6227), (3832, 4693)]