18945190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1097}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 37472544

約数和(自身を除く): 18527354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1097, 1570, 1727, 2194, 3454, 5485, 8635, 10970, 12067, 17270, 24134, 60335, 120670, 172229, 344458, 861145, 1722290, 1894519, 3789038, 9472595, 18945190]

約数ペア:

[(1, 18945190), (2, 9472595), (5, 3789038), (10, 1894519), (11, 1722290), (22, 861145), (55, 344458), (110, 172229), (157, 120670), (314, 60335), (785, 24134), (1097, 17270), (1570, 12067), (1727, 10970), (2194, 8635), (3454, 5485)]