18694147

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 20385792

約数和(自身を除く): 1691645

約数列:

[1, 23, 31, 157, 167, 713, 3611, 3841, 4867, 5177, 26219, 111941, 119071, 603037, 812789, 18694147]

約数ペア:

[(1, 18694147), (23, 812789), (31, 603037), (157, 119071), (167, 111941), (713, 26219), (3611, 5177), (3841, 4867)]