19431274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{659}}^1$

素因数の和:1325

約数の個数: 16

約数和(自身を含む): 30507840

約数和(自身を除く): 11076566

約数列:

[1, 2, 23, 46, 641, 659, 1282, 1318, 14743, 15157, 29486, 30314, 422419, 844838, 9715637, 19431274]

約数ペア:

[(1, 19431274), (2, 9715637), (23, 844838), (46, 422419), (641, 30314), (659, 29486), (1282, 15157), (1318, 14743)]