18263140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 44456832

約数和(自身を除く): 26193692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1787, 2044, 2555, 3574, 5110, 7148, 8935, 10220, 12509, 17870, 25018, 35740, 50036, 62545, 125090, 130451, 250180, 260902, 521804, 652255, 913157, 1304510, 1826314, 2609020, 3652628, 4565785, 9131570, 18263140]

約数ペア:

[(1, 18263140), (2, 9131570), (4, 4565785), (5, 3652628), (7, 2609020), (10, 1826314), (14, 1304510), (20, 913157), (28, 652255), (35, 521804), (70, 260902), (73, 250180), (140, 130451), (146, 125090), (292, 62545), (365, 50036), (511, 35740), (730, 25018), (1022, 17870), (1460, 12509), (1787, 10220), (2044, 8935), (2555, 7148), (3574, 5110)]