19894616

素因数分解:

$2^3\times 7^1\times {\mathrm{355261}}^1$

素因数の和:355274

約数の個数: 16

約数和(自身を含む): 42631440

約数和(自身を除く): 22736824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 355261, 710522, 1421044, 2486827, 2842088, 4973654, 9947308, 19894616]

約数ペア:

[(1, 19894616), (2, 9947308), (4, 4973654), (7, 2842088), (8, 2486827), (14, 1421044), (28, 710522), (56, 355261)]