19131700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 48024704

約数和(自身を除く): 28893004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 151, 175, 181, 302, 350, 362, 604, 700, 724, 755, 905, 1057, 1267, 1510, 1810, 2114, 2534, 3020, 3620, 3775, 4228, 4525, 5068, 5285, 6335, 7550, 9050, 10570, 12670, 15100, 18100, 21140, 25340, 26425, 27331, 31675, 52850, 54662, 63350, 105700, 109324, 126700, 136655, 191317, 273310, 382634, 546620, 683275, 765268, 956585, 1366550, 1913170, 2733100, 3826340, 4782925, 9565850, 19131700]

約数ペア:

[(1, 19131700), (2, 9565850), (4, 4782925), (5, 3826340), (7, 2733100), (10, 1913170), (14, 1366550), (20, 956585), (25, 765268), (28, 683275), (35, 546620), (50, 382634), (70, 273310), (100, 191317), (140, 136655), (151, 126700), (175, 109324), (181, 105700), (302, 63350), (350, 54662), (362, 52850), (604, 31675), (700, 27331), (724, 26425), (755, 25340), (905, 21140), (1057, 18100), (1267, 15100), (1510, 12670), (1810, 10570), (2114, 9050), (2534, 7550), (3020, 6335), (3620, 5285), (3775, 5068), (4228, 4525)]