18973150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 21738530

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 151, 175, 302, 350, 359, 718, 755, 1057, 1510, 1795, 2114, 2513, 3590, 3775, 5026, 5285, 7550, 8975, 10570, 12565, 17950, 25130, 26425, 52850, 54209, 62825, 108418, 125650, 271045, 379463, 542090, 758926, 1355225, 1897315, 2710450, 3794630, 9486575, 18973150]

約数ペア:

[(1, 18973150), (2, 9486575), (5, 3794630), (7, 2710450), (10, 1897315), (14, 1355225), (25, 758926), (35, 542090), (50, 379463), (70, 271045), (151, 125650), (175, 108418), (302, 62825), (350, 54209), (359, 52850), (718, 26425), (755, 25130), (1057, 17950), (1510, 12565), (1795, 10570), (2114, 8975), (2513, 7550), (3590, 5285), (3775, 5026)]