19170440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12953}}^1$

素因数の和:13001

約数の個数: 32

約数和(自身を含む): 44302680

約数和(自身を除く): 25132240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12953, 25906, 51812, 64765, 103624, 129530, 259060, 479261, 518120, 958522, 1917044, 2396305, 3834088, 4792610, 9585220, 19170440]

約数ペア:

[(1, 19170440), (2, 9585220), (4, 4792610), (5, 3834088), (8, 2396305), (10, 1917044), (20, 958522), (37, 518120), (40, 479261), (74, 259060), (148, 129530), (185, 103624), (296, 64765), (370, 51812), (740, 25906), (1480, 12953)]