19845660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{937}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 55784736

約数和(自身を除く): 35939076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 937, 1059, 1412, 1765, 1874, 2118, 2811, 3530, 3748, 4236, 4685, 5295, 5622, 7060, 9370, 10590, 11244, 14055, 18740, 21180, 28110, 56220, 330761, 661522, 992283, 1323044, 1653805, 1984566, 3307610, 3969132, 4961415, 6615220, 9922830, 19845660]

約数ペア:

[(1, 19845660), (2, 9922830), (3, 6615220), (4, 4961415), (5, 3969132), (6, 3307610), (10, 1984566), (12, 1653805), (15, 1323044), (20, 992283), (30, 661522), (60, 330761), (353, 56220), (706, 28110), (937, 21180), (1059, 18740), (1412, 14055), (1765, 11244), (1874, 10590), (2118, 9370), (2811, 7060), (3530, 5622), (3748, 5295), (4236, 4685)]