18790984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{593}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 37528920

約数和(自身を除く): 18737936

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 233, 466, 593, 932, 1186, 1864, 2372, 3961, 4744, 7922, 10081, 15844, 20162, 31688, 40324, 80648, 138169, 276338, 552676, 1105352, 2348873, 4697746, 9395492, 18790984]

約数ペア:

[(1, 18790984), (2, 9395492), (4, 4697746), (8, 2348873), (17, 1105352), (34, 552676), (68, 276338), (136, 138169), (233, 80648), (466, 40324), (593, 31688), (932, 20162), (1186, 15844), (1864, 10081), (2372, 7922), (3961, 4744)]