19415751

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 28216944

約数和(自身を除く): 8801193

約数列:

[1, 3, 17, 51, 61, 79, 183, 237, 1037, 1343, 3111, 4029, 4819, 6241, 14457, 18723, 81923, 106097, 245769, 318291, 380701, 1142103, 6471917, 19415751]

約数ペア:

[(1, 19415751), (3, 6471917), (17, 1142103), (51, 380701), (61, 318291), (79, 245769), (183, 106097), (237, 81923), (1037, 18723), (1343, 14457), (3111, 6241), (4029, 4819)]