18069780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{659}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 50783040

約数和(自身を除く): 32713260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 659, 914, 1318, 1371, 1828, 1977, 2285, 2636, 2742, 3295, 3954, 4570, 5484, 6590, 6855, 7908, 9140, 9885, 13180, 13710, 19770, 27420, 39540, 301163, 602326, 903489, 1204652, 1505815, 1806978, 3011630, 3613956, 4517445, 6023260, 9034890, 18069780]

約数ペア:

[(1, 18069780), (2, 9034890), (3, 6023260), (4, 4517445), (5, 3613956), (6, 3011630), (10, 1806978), (12, 1505815), (15, 1204652), (20, 903489), (30, 602326), (60, 301163), (457, 39540), (659, 27420), (914, 19770), (1318, 13710), (1371, 13180), (1828, 9885), (1977, 9140), (2285, 7908), (2636, 6855), (2742, 6590), (3295, 5484), (3954, 4570)]