20198081519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2451521}}^1$

素因数の和:2451646

約数の個数: 16

約数和(自身を含む): 25417380096

約数和(自身を除く): 5219298577

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 2451521, 17160647, 26966731, 188767117, 262312747, 1836189229, 2885440217, 20198081519]

約数ペア:

[(1, 20198081519), (7, 2885440217), (11, 1836189229), (77, 262312747), (107, 188767117), (749, 26966731), (1177, 17160647), (8239, 2451521)]