19285490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 39982464

約数和(自身を除く): 20696974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2011, 4022, 4795, 9590, 10055, 14077, 20110, 28154, 70385, 140770, 275507, 551014, 1377535, 1928549, 2755070, 3857098, 9642745, 19285490]

約数ペア:

[(1, 19285490), (2, 9642745), (5, 3857098), (7, 2755070), (10, 1928549), (14, 1377535), (35, 551014), (70, 275507), (137, 140770), (274, 70385), (685, 28154), (959, 20110), (1370, 14077), (1918, 10055), (2011, 9590), (4022, 4795)]