19179237

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 33652800

約数和(自身を除く): 14473563

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 147, 203, 231, 319, 409, 539, 609, 957, 1227, 1421, 1617, 2233, 2863, 4263, 4499, 6699, 8589, 11861, 13497, 15631, 20041, 31493, 35583, 46893, 60123, 83027, 94479, 130471, 220451, 249081, 391413, 581189, 661353, 913297, 1743567, 2739891, 6393079, 19179237]

約数ペア:

[(1, 19179237), (3, 6393079), (7, 2739891), (11, 1743567), (21, 913297), (29, 661353), (33, 581189), (49, 391413), (77, 249081), (87, 220451), (147, 130471), (203, 94479), (231, 83027), (319, 60123), (409, 46893), (539, 35583), (609, 31493), (957, 20041), (1227, 15631), (1421, 13497), (1617, 11861), (2233, 8589), (2863, 6699), (4263, 4499)]