18292780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7559}}^1$

素因数の和:7590

約数の個数: 36

約数和(自身を含む): 42230160

約数和(自身を除く): 23937380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7559, 15118, 30236, 37795, 75590, 83149, 151180, 166298, 332596, 415745, 831490, 914639, 1662980, 1829278, 3658556, 4573195, 9146390, 18292780]

約数ペア:

[(1, 18292780), (2, 9146390), (4, 4573195), (5, 3658556), (10, 1829278), (11, 1662980), (20, 914639), (22, 831490), (44, 415745), (55, 332596), (110, 166298), (121, 151180), (220, 83149), (242, 75590), (484, 37795), (605, 30236), (1210, 15118), (2420, 7559)]