18493300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 29003660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 911, 1015, 1450, 1822, 2030, 2900, 3644, 4060, 4555, 5075, 6377, 9110, 10150, 12754, 18220, 20300, 22775, 25508, 26419, 31885, 45550, 52838, 63770, 91100, 105676, 127540, 132095, 159425, 184933, 264190, 318850, 369866, 528380, 637700, 660475, 739732, 924665, 1320950, 1849330, 2641900, 3698660, 4623325, 9246650, 18493300]

約数ペア:

[(1, 18493300), (2, 9246650), (4, 4623325), (5, 3698660), (7, 2641900), (10, 1849330), (14, 1320950), (20, 924665), (25, 739732), (28, 660475), (29, 637700), (35, 528380), (50, 369866), (58, 318850), (70, 264190), (100, 184933), (116, 159425), (140, 132095), (145, 127540), (175, 105676), (203, 91100), (290, 63770), (350, 52838), (406, 45550), (580, 31885), (700, 26419), (725, 25508), (812, 22775), (911, 20300), (1015, 18220), (1450, 12754), (1822, 10150), (2030, 9110), (2900, 6377), (3644, 5075), (4060, 4555)]