19439700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9257}}^1$

素因数の和:9281

約数の個数: 72

約数和(自身を含む): 64287552

約数和(自身を除く): 44847852

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, 9257, 18514, 27771, 37028, 46285, 55542, 64799, 92570, 111084, 129598, 138855, 185140, 194397, 231425, 259196, 277710, 323995, 388794, 462850, 555420, 647990, 694275, 777588, 925700, 971985, 1295980, 1388550, 1619975, 1943970, 2777100, 3239950, 3887940, 4859925, 6479900, 9719850, 19439700]

約数ペア:

[(1, 19439700), (2, 9719850), (3, 6479900), (4, 4859925), (5, 3887940), (6, 3239950), (7, 2777100), (10, 1943970), (12, 1619975), (14, 1388550), (15, 1295980), (20, 971985), (21, 925700), (25, 777588), (28, 694275), (30, 647990), (35, 555420), (42, 462850), (50, 388794), (60, 323995), (70, 277710), (75, 259196), (84, 231425), (100, 194397), (105, 185140), (140, 138855), (150, 129598), (175, 111084), (210, 92570), (300, 64799), (350, 55542), (420, 46285), (525, 37028), (700, 27771), (1050, 18514), (2100, 9257)]