19870496

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{6977}}^1$

素因数の和:7076

約数の個数: 24

約数和(自身を含む): 39565260

約数和(自身を除く): 19694764

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 6977, 13954, 27908, 55816, 111632, 223264, 620953, 1241906, 2483812, 4967624, 9935248, 19870496]

約数ペア:

[(1, 19870496), (2, 9935248), (4, 4967624), (8, 2483812), (16, 1241906), (32, 620953), (89, 223264), (178, 111632), (356, 55816), (712, 27908), (1424, 13954), (2848, 6977)]