12019820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 36

約数和(自身を含む): 26001360

約数和(自身を除く): 13981540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 439, 740, 878, 1369, 1756, 2195, 2738, 4390, 5476, 6845, 8780, 13690, 16243, 27380, 32486, 64972, 81215, 162430, 324860, 600991, 1201982, 2403964, 3004955, 6009910, 12019820]

約数ペア:

[(1, 12019820), (2, 6009910), (4, 3004955), (5, 2403964), (10, 1201982), (20, 600991), (37, 324860), (74, 162430), (148, 81215), (185, 64972), (370, 32486), (439, 27380), (740, 16243), (878, 13690), (1369, 8780), (1756, 6845), (2195, 5476), (2738, 4390)]