18756933

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 30038400

約数和(自身を除く): 11281467

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1489, 4199, 4467, 12597, 19357, 25313, 28291, 58071, 75939, 84873, 329069, 367783, 480947, 987207, 1103349, 1442841, 6252311, 18756933]

約数ペア:

[(1, 18756933), (3, 6252311), (13, 1442841), (17, 1103349), (19, 987207), (39, 480947), (51, 367783), (57, 329069), (221, 84873), (247, 75939), (323, 58071), (663, 28291), (741, 25313), (969, 19357), (1489, 12597), (4199, 4467)]