18761764

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 39231360

約数和(自身を除く): 20469596

約数列:

[1, 2, 4, 7, 14, 28, 41, 59, 82, 118, 164, 236, 277, 287, 413, 554, 574, 826, 1108, 1148, 1652, 1939, 2419, 3878, 4838, 7756, 9676, 11357, 16343, 16933, 22714, 32686, 33866, 45428, 65372, 67732, 79499, 114401, 158998, 228802, 317996, 457604, 670063, 1340126, 2680252, 4690441, 9380882, 18761764]

約数ペア:

[(1, 18761764), (2, 9380882), (4, 4690441), (7, 2680252), (14, 1340126), (28, 670063), (41, 457604), (59, 317996), (82, 228802), (118, 158998), (164, 114401), (236, 79499), (277, 67732), (287, 65372), (413, 45428), (554, 33866), (574, 32686), (826, 22714), (1108, 16933), (1148, 16343), (1652, 11357), (1939, 9676), (2419, 7756), (3878, 4838)]