19882641

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 27484160

約数和(自身を除く): 7601519

約数列:

[1, 3, 43, 79, 129, 237, 1951, 3397, 5853, 10191, 83893, 154129, 251679, 462387, 6627547, 19882641]

約数ペア:

[(1, 19882641), (3, 6627547), (43, 462387), (79, 251679), (129, 154129), (237, 83893), (1951, 10191), (3397, 5853)]