19628416

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 39565800

約数和(自身を除く): 19937384

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 1723, 2848, 3446, 5696, 6892, 11392, 13784, 27568, 55136, 110272, 153347, 220544, 306694, 613388, 1226776, 2453552, 4907104, 9814208, 19628416]

約数ペア:

[(1, 19628416), (2, 9814208), (4, 4907104), (8, 2453552), (16, 1226776), (32, 613388), (64, 306694), (89, 220544), (128, 153347), (178, 110272), (356, 55136), (712, 27568), (1424, 13784), (1723, 11392), (2848, 6892), (3446, 5696)]