19243140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45817}}^1$

素因数の和:45836

約数の個数: 48

約数和(自身を含む): 61579392

約数和(自身を除く): 42336252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45817, 91634, 137451, 183268, 229085, 274902, 320719, 458170, 549804, 641438, 687255, 916340, 962157, 1282876, 1374510, 1603595, 1924314, 2749020, 3207190, 3848628, 4810785, 6414380, 9621570, 19243140]

約数ペア:

[(1, 19243140), (2, 9621570), (3, 6414380), (4, 4810785), (5, 3848628), (6, 3207190), (7, 2749020), (10, 1924314), (12, 1603595), (14, 1374510), (15, 1282876), (20, 962157), (21, 916340), (28, 687255), (30, 641438), (35, 549804), (42, 458170), (60, 320719), (70, 274902), (84, 229085), (105, 183268), (140, 137451), (210, 91634), (420, 45817)]