19740486535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1\times {\mathrm{24061}}^1$

素因数の和:26215

約数の個数: 32

約数和(自身を含む): 29548905984

約数和(自身を除く): 9808419449

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 2131, 10655, 14917, 23441, 24061, 74585, 117205, 120305, 164087, 168427, 264671, 820435, 842135, 1323355, 1852697, 9263485, 51273991, 256369955, 358917937, 564013901, 1794589685, 2820069505, 3948097307, 19740486535]

約数ペア:

[(1, 19740486535), (5, 3948097307), (7, 2820069505), (11, 1794589685), (35, 564013901), (55, 358917937), (77, 256369955), (385, 51273991), (2131, 9263485), (10655, 1852697), (14917, 1323355), (23441, 842135), (24061, 820435), (74585, 264671), (117205, 168427), (120305, 164087)]