18528237

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7541}}^1$

素因数の和:7570

約数の個数: 32

約数和(自身を含む): 33788160

約数和(自身を除く): 15259923

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7541, 22623, 52787, 67869, 98033, 158361, 203607, 294099, 475083, 686231, 882297, 1425249, 2058693, 2646891, 6176079, 18528237]

約数ペア:

[(1, 18528237), (3, 6176079), (7, 2646891), (9, 2058693), (13, 1425249), (21, 882297), (27, 686231), (39, 475083), (63, 294099), (91, 203607), (117, 158361), (189, 98033), (273, 67869), (351, 52787), (819, 22623), (2457, 7541)]