18976265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 29638656

約数和(自身を除く): 10662391

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2143, 8855, 10715, 15001, 23573, 49289, 75005, 117865, 165011, 246445, 345023, 542179, 825055, 1725115, 2710895, 3795253, 18976265]

約数ペア:

[(1, 18976265), (5, 3795253), (7, 2710895), (11, 1725115), (23, 825055), (35, 542179), (55, 345023), (77, 246445), (115, 165011), (161, 117865), (253, 75005), (385, 49289), (805, 23573), (1265, 15001), (1771, 10715), (2143, 8855)]