19543620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1061}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 54952128

約数和(自身を除く): 35408508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1061, 1228, 1535, 1842, 2122, 3070, 3183, 3684, 4244, 4605, 5305, 6140, 6366, 9210, 10610, 12732, 15915, 18420, 21220, 31830, 63660, 325727, 651454, 977181, 1302908, 1628635, 1954362, 3257270, 3908724, 4885905, 6514540, 9771810, 19543620]

約数ペア:

[(1, 19543620), (2, 9771810), (3, 6514540), (4, 4885905), (5, 3908724), (6, 3257270), (10, 1954362), (12, 1628635), (15, 1302908), (20, 977181), (30, 651454), (60, 325727), (307, 63660), (614, 31830), (921, 21220), (1061, 18420), (1228, 15915), (1535, 12732), (1842, 10610), (2122, 9210), (3070, 6366), (3183, 6140), (3684, 5305), (4244, 4605)]