19573280

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1809

約数の個数: 48

約数和(自身を含む): 46920384

約数和(自身を除く): 27347104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1723, 2272, 2840, 3446, 5680, 6892, 8615, 11360, 13784, 17230, 27568, 34460, 55136, 68920, 122333, 137840, 244666, 275680, 489332, 611665, 978664, 1223330, 1957328, 2446660, 3914656, 4893320, 9786640, 19573280]

約数ペア:

[(1, 19573280), (2, 9786640), (4, 4893320), (5, 3914656), (8, 2446660), (10, 1957328), (16, 1223330), (20, 978664), (32, 611665), (40, 489332), (71, 275680), (80, 244666), (142, 137840), (160, 122333), (284, 68920), (355, 55136), (568, 34460), (710, 27568), (1136, 17230), (1420, 13784), (1723, 11360), (2272, 8615), (2840, 6892), (3446, 5680)]