2005457918

素因数分解:

$2^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1\times {\mathrm{13159}}^1$

素因数の和:13763

約数の個数: 16

約数和(自身を含む): 3032221920

約数和(自身を除く): 1026764002

約数列:

[1, 2, 181, 362, 421, 842, 13159, 26318, 76201, 152402, 2381779, 4763558, 5539939, 11079878, 1002728959, 2005457918]

約数ペア:

[(1, 2005457918), (2, 1002728959), (181, 11079878), (362, 5539939), (421, 4763558), (842, 2381779), (13159, 152402), (26318, 76201)]