19211791690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21111859}}^1$

素因数の和:21111886

約数の個数: 32

約数和(自身を含む): 42561509760

約数和(自身を除く): 23349718070

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21111859, 42223718, 105559295, 147783013, 211118590, 274454167, 295566026, 548908334, 738915065, 1372270835, 1477830130, 1921179169, 2744541670, 3842358338, 9605895845, 19211791690]

約数ペア:

[(1, 19211791690), (2, 9605895845), (5, 3842358338), (7, 2744541670), (10, 1921179169), (13, 1477830130), (14, 1372270835), (26, 738915065), (35, 548908334), (65, 295566026), (70, 274454167), (91, 211118590), (130, 147783013), (182, 105559295), (455, 42223718), (910, 21111859)]