19566909

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 29741400

約数和(自身を除く): 10174491

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1229, 1769, 3687, 5307, 11061, 15921, 35641, 74969, 106923, 224907, 320769, 674721, 2174101, 6522303, 19566909]

約数ペア:

[(1, 19566909), (3, 6522303), (9, 2174101), (29, 674721), (61, 320769), (87, 224907), (183, 106923), (261, 74969), (549, 35641), (1229, 15921), (1769, 11061), (3687, 5307)]