18201365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 27202560

約数和(自身を除く): 9001195

約数列:

[1, 5, 7, 13, 35, 65, 91, 109, 367, 455, 545, 763, 1417, 1835, 2569, 3815, 4771, 7085, 9919, 12845, 23855, 33397, 40003, 49595, 166985, 200015, 280021, 520039, 1400105, 2600195, 3640273, 18201365]

約数ペア:

[(1, 18201365), (5, 3640273), (7, 2600195), (13, 1400105), (35, 520039), (65, 280021), (91, 200015), (109, 166985), (367, 49595), (455, 40003), (545, 33397), (763, 23855), (1417, 12845), (1835, 9919), (2569, 7085), (3815, 4771)]