19870260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331171}}^1$

素因数の和:331183

約数の個数: 24

約数和(自身を含む): 55636896

約数和(自身を除く): 35766636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331171, 662342, 993513, 1324684, 1655855, 1987026, 3311710, 3974052, 4967565, 6623420, 9935130, 19870260]

約数ペア:

[(1, 19870260), (2, 9935130), (3, 6623420), (4, 4967565), (5, 3974052), (6, 3311710), (10, 1987026), (12, 1655855), (15, 1324684), (20, 993513), (30, 662342), (60, 331171)]