19573928

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 41041140

約数和(自身を除く): 21467212

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 242, 277, 292, 484, 554, 584, 803, 968, 1108, 1606, 2216, 3047, 3212, 6094, 6424, 8833, 12188, 17666, 20221, 24376, 33517, 35332, 40442, 67034, 70664, 80884, 134068, 161768, 222431, 268136, 444862, 889724, 1779448, 2446741, 4893482, 9786964, 19573928]

約数ペア:

[(1, 19573928), (2, 9786964), (4, 4893482), (8, 2446741), (11, 1779448), (22, 889724), (44, 444862), (73, 268136), (88, 222431), (121, 161768), (146, 134068), (242, 80884), (277, 70664), (292, 67034), (484, 40442), (554, 35332), (584, 33517), (803, 24376), (968, 20221), (1108, 17666), (1606, 12188), (2216, 8833), (3047, 6424), (3212, 6094)]