18851880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 57047040

約数和(自身を除く): 38195160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1237, 1270, 1524, 1905, 2474, 2540, 3048, 3711, 3810, 4948, 5080, 6185, 7422, 7620, 9896, 12370, 14844, 15240, 18555, 24740, 29688, 37110, 49480, 74220, 148440, 157099, 314198, 471297, 628396, 785495, 942594, 1256792, 1570990, 1885188, 2356485, 3141980, 3770376, 4712970, 6283960, 9425940, 18851880]

約数ペア:

[(1, 18851880), (2, 9425940), (3, 6283960), (4, 4712970), (5, 3770376), (6, 3141980), (8, 2356485), (10, 1885188), (12, 1570990), (15, 1256792), (20, 942594), (24, 785495), (30, 628396), (40, 471297), (60, 314198), (120, 157099), (127, 148440), (254, 74220), (381, 49480), (508, 37110), (635, 29688), (762, 24740), (1016, 18555), (1237, 15240), (1270, 14844), (1524, 12370), (1905, 9896), (2474, 7620), (2540, 7422), (3048, 6185), (3711, 5080), (3810, 4948)]