19984769

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 24088320

約数和(自身を除く): 4103551

約数列:

[1, 7, 23, 101, 161, 707, 1229, 2323, 8603, 16261, 28267, 124129, 197869, 868903, 2854967, 19984769]

約数ペア:

[(1, 19984769), (7, 2854967), (23, 868903), (101, 197869), (161, 124129), (707, 28267), (1229, 16261), (2323, 8603)]