19367696

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{6997}}^1$

素因数の和:7178

約数の個数: 20

約数和(自身を含む): 37747212

約数和(自身を除く): 18379516

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 6997, 13994, 27988, 55976, 111952, 1210481, 2420962, 4841924, 9683848, 19367696]

約数ペア:

[(1, 19367696), (2, 9683848), (4, 4841924), (8, 2420962), (16, 1210481), (173, 111952), (346, 55976), (692, 27988), (1384, 13994), (2768, 6997)]