20181444987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1\times {\mathrm{12641}}^1$

素因数の和:13235

約数の個数: 32

約数和(自身を含む): 29709711360

約数和(自身を除く): 9528266373

約数列:

[1, 3, 11, 33, 101, 303, 479, 1111, 1437, 3333, 5269, 12641, 15807, 37923, 48379, 139051, 145137, 417153, 532169, 1276741, 1596507, 3830223, 6055039, 14044151, 18165117, 42132453, 66605429, 199816287, 611558939, 1834676817, 6727148329, 20181444987]

約数ペア:

[(1, 20181444987), (3, 6727148329), (11, 1834676817), (33, 611558939), (101, 199816287), (303, 66605429), (479, 42132453), (1111, 18165117), (1437, 14044151), (3333, 6055039), (5269, 3830223), (12641, 1596507), (15807, 1276741), (37923, 532169), (48379, 417153), (139051, 145137)]