19694820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2203}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 55540800

約数和(自身を除く): 35845980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2203, 2235, 2980, 4406, 4470, 6609, 8812, 8940, 11015, 13218, 22030, 26436, 33045, 44060, 66090, 132180, 328247, 656494, 984741, 1312988, 1641235, 1969482, 3282470, 3938964, 4923705, 6564940, 9847410, 19694820]

約数ペア:

[(1, 19694820), (2, 9847410), (3, 6564940), (4, 4923705), (5, 3938964), (6, 3282470), (10, 1969482), (12, 1641235), (15, 1312988), (20, 984741), (30, 656494), (60, 328247), (149, 132180), (298, 66090), (447, 44060), (596, 33045), (745, 26436), (894, 22030), (1490, 13218), (1788, 11015), (2203, 8940), (2235, 8812), (2980, 6609), (4406, 4470)]