19530841

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 5352359

約数列:

[1, 11, 17, 19, 23, 187, 209, 239, 253, 323, 391, 437, 2629, 3553, 4063, 4301, 4541, 4807, 5497, 7429, 44693, 49951, 60467, 77197, 81719, 93449, 104443, 849167, 1027939, 1148873, 1775531, 19530841]

約数ペア:

[(1, 19530841), (11, 1775531), (17, 1148873), (19, 1027939), (23, 849167), (187, 104443), (209, 93449), (239, 81719), (253, 77197), (323, 60467), (391, 49951), (437, 44693), (2629, 7429), (3553, 5497), (4063, 4807), (4301, 4541)]