19870295768

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{4977529}}^1$

素因数の和:4978034

約数の個数: 16

約数和(自身を含む): 37331475000

約数和(自身を除く): 17461179232

約数列:

[1, 2, 4, 8, 499, 998, 1996, 3992, 4977529, 9955058, 19910116, 39820232, 2483786971, 4967573942, 9935147884, 19870295768]

約数ペア:

[(1, 19870295768), (2, 9935147884), (4, 4967573942), (8, 2483786971), (499, 39820232), (998, 19910116), (1996, 9955058), (3992, 4977529)]