18979590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{90379}}^1$

素因数の和:90396

約数の個数: 32

約数和(自身を含む): 52058880

約数和(自身を除く): 33079290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 90379, 180758, 271137, 451895, 542274, 632653, 903790, 1265306, 1355685, 1897959, 2711370, 3163265, 3795918, 6326530, 9489795, 18979590]

約数ペア:

[(1, 18979590), (2, 9489795), (3, 6326530), (5, 3795918), (6, 3163265), (7, 2711370), (10, 1897959), (14, 1355685), (15, 1265306), (21, 903790), (30, 632653), (35, 542274), (42, 451895), (70, 271137), (105, 180758), (210, 90379)]