18804907888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{5953}}^1\times {\mathrm{15187}}^1$

素因数の和:21161

約数の個数: 40

約数和(自身を含む): 39246338768

約数和(自身を除く): 20441430880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 5953, 11906, 15187, 23812, 30374, 47624, 60748, 77389, 95248, 121496, 154778, 197431, 242992, 309556, 394862, 619112, 789724, 1238224, 1579448, 3158896, 90408211, 180816422, 361632844, 723265688, 1175306743, 1446531376, 2350613486, 4701226972, 9402453944, 18804907888]

約数ペア:

[(1, 18804907888), (2, 9402453944), (4, 4701226972), (8, 2350613486), (13, 1446531376), (16, 1175306743), (26, 723265688), (52, 361632844), (104, 180816422), (208, 90408211), (5953, 3158896), (11906, 1579448), (15187, 1238224), (23812, 789724), (30374, 619112), (47624, 394862), (60748, 309556), (77389, 242992), (95248, 197431), (121496, 154778)]