18790740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104393}}^1$

素因数の和:104408

約数の個数: 36

約数和(自身を含む): 56999124

約数和(自身を除く): 38208384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104393, 208786, 313179, 417572, 521965, 626358, 939537, 1043930, 1252716, 1565895, 1879074, 2087860, 3131790, 3758148, 4697685, 6263580, 9395370, 18790740]

約数ペア:

[(1, 18790740), (2, 9395370), (3, 6263580), (4, 4697685), (5, 3758148), (6, 3131790), (9, 2087860), (10, 1879074), (12, 1565895), (15, 1252716), (18, 1043930), (20, 939537), (30, 626358), (36, 521965), (45, 417572), (60, 313179), (90, 208786), (180, 104393)]