19873095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2801}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 35506944

約数和(自身を除く): 15633849

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2801, 7095, 8403, 14005, 30811, 42015, 92433, 120443, 154055, 361329, 462165, 602215, 1324873, 1806645, 3974619, 6624365, 19873095]

約数ペア:

[(1, 19873095), (3, 6624365), (5, 3974619), (11, 1806645), (15, 1324873), (33, 602215), (43, 462165), (55, 361329), (129, 154055), (165, 120443), (215, 92433), (473, 42015), (645, 30811), (1419, 14005), (2365, 8403), (2801, 7095)]