18757245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 33086592

約数和(自身を除く): 14329347

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2237, 2795, 6711, 8385, 11185, 29081, 33555, 87243, 96191, 145405, 288573, 436215, 480955, 1250483, 1442865, 3751449, 6252415, 18757245]

約数ペア:

[(1, 18757245), (3, 6252415), (5, 3751449), (13, 1442865), (15, 1250483), (39, 480955), (43, 436215), (65, 288573), (129, 145405), (195, 96191), (215, 87243), (559, 33555), (645, 29081), (1677, 11185), (2237, 8385), (2795, 6711)]