18890442

素因数分解:

$2^1\times 3^3\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 42140160

約数和(自身を除く): 23249718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 353, 706, 991, 1059, 1982, 2118, 2973, 3177, 5946, 6354, 8919, 9531, 17838, 19062, 26757, 53514, 349823, 699646, 1049469, 2098938, 3148407, 6296814, 9445221, 18890442]

約数ペア:

[(1, 18890442), (2, 9445221), (3, 6296814), (6, 3148407), (9, 2098938), (18, 1049469), (27, 699646), (54, 349823), (353, 53514), (706, 26757), (991, 19062), (1059, 17838), (1982, 9531), (2118, 8919), (2973, 6354), (3177, 5946)]