18177940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 24279020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1559, 2332, 2915, 3118, 5830, 6236, 7795, 11660, 15590, 17149, 31180, 34298, 68596, 82627, 85745, 165254, 171490, 330508, 342980, 413135, 826270, 908897, 1652540, 1817794, 3635588, 4544485, 9088970, 18177940]

約数ペア:

[(1, 18177940), (2, 9088970), (4, 4544485), (5, 3635588), (10, 1817794), (11, 1652540), (20, 908897), (22, 826270), (44, 413135), (53, 342980), (55, 330508), (106, 171490), (110, 165254), (212, 85745), (220, 82627), (265, 68596), (530, 34298), (583, 31180), (1060, 17149), (1166, 15590), (1559, 11660), (2332, 7795), (2915, 6236), (3118, 5830)]