19973100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9511}}^1$

素因数の和:9535

約数の個数: 72

約数和(自身を含む): 66051328

約数和(自身を除く): 46078228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9511, 19022, 28533, 38044, 47555, 57066, 66577, 95110, 114132, 133154, 142665, 190220, 199731, 237775, 266308, 285330, 332885, 399462, 475550, 570660, 665770, 713325, 798924, 951100, 998655, 1331540, 1426650, 1664425, 1997310, 2853300, 3328850, 3994620, 4993275, 6657700, 9986550, 19973100]

約数ペア:

[(1, 19973100), (2, 9986550), (3, 6657700), (4, 4993275), (5, 3994620), (6, 3328850), (7, 2853300), (10, 1997310), (12, 1664425), (14, 1426650), (15, 1331540), (20, 998655), (21, 951100), (25, 798924), (28, 713325), (30, 665770), (35, 570660), (42, 475550), (50, 399462), (60, 332885), (70, 285330), (75, 266308), (84, 237775), (100, 199731), (105, 190220), (140, 142665), (150, 133154), (175, 114132), (210, 95110), (300, 66577), (350, 57066), (420, 47555), (525, 38044), (700, 28533), (1050, 19022), (2100, 9511)]