18475814

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42571}}^1$

素因数の和:42611

約数の個数: 16

約数和(自身を含む): 32695296

約数和(自身を除く): 14219482

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 42571, 85142, 297997, 595994, 1319701, 2639402, 9237907, 18475814]

約数ペア:

[(1, 18475814), (2, 9237907), (7, 2639402), (14, 1319701), (31, 595994), (62, 297997), (217, 85142), (434, 42571)]